• Because PCR works on DNA molecules and Ebola is an RNA virus, the reverse transcriptase enzyme is used to make DNA copies of the viral RNA prior to PCR amplification and detection. (nanowerk.com)
  • Here we report a method to identify SARS-CoV-2 (COVID-19) virus RNA from purified RNA or cell lysis using loop-mediated isothermal amplification (LAMP) using a visual, colorimetric detection. (medrxiv.org)
  • Here we describe a molecular diagnostic approach for SARS-CoV-2 RNA detection using loop-mediated isothermal amplification (LAMP) and simple visual detection of amplification for potential use in rapid, field applications. (medrxiv.org)
  • We recently developed a method for visual detection of LAMP amplification ( 9 ) using pH-sensitive dyes to exploit the change of pH that resulting from proton accumulation due to dNTP incorporation. (medrxiv.org)
  • Primers were designed for canine distemper virus nucleocapsid protein coding region fragment amplification (84 bp). (scielo.br)
  • CSIC has developed a signal amplification method for single-stranded nucleic acids detection through self-sustained loop cleavage of DNA:DNA duplexes or RNA:DNA hybrids by the Fokl enzyme. (innoget.com)
  • The design of new RNA direct detection approaches based on signal augmentation that avoids problems derived from nucleic acid amplification procedures in complex samples is still a challenge. (innoget.com)
  • It improves the detection limit of target molecules by 2 to 4 orders of magnitude when coupled with isothermal amplification of nucleic acids techniques. (innoget.com)
  • Here, we describe a novel real-time isothermal recombinase polymerase amplification (RPA) assay developed for IHHNV detection. (stir.ac.uk)
  • Xia X, Yu Y, Hu L, Weidmann M, Pan Y, Yan S & Wang Y (2015) Rapid detection of infectious hypodermal and hematopoietic necrosis virus (IHHNV) by real-time, isothermal recombinase polymerase amplification assay. (stir.ac.uk)
  • Recombinase Polymerase Amplification (RPA) for the Rapid Isothermal Detection of Spongospora subterranea f. sp. (oregonstate.edu)
  • The amplification of specific nucleic acid sequences with high specificity and sensitivity is an essential technique for pathogen detection. (oregonstate.edu)
  • Oligonucleotide primers were designed for amplification that target the internal transcribed spacer 1 (ITS1) region and the coat protein readthrough (CP-RT) domain for the detection of Sss and PMTV, respectively. (oregonstate.edu)
  • In lungs of infected mice, the influenza virus structural nucleoprotein NP was detected in parallel using a specific anti-NP antibody. (omicsonline.org)
  • Fluorescent antibody studies of viruses of the avian leukosis complex. (microbiologyresearch.org)
  • Sera from NHANES participants aged 14-49 were tested for antibody to herpes simplex virus type 1 (HSV-1). (cdc.gov)
  • Viral tests (nucleic acid or antigen detection tests) are used to assess acute infection, whereas antibody tests provide evidence of prior infection with SARS-CoV-2. (medscape.com)
  • With her unique knowledge of viruses, and the help of advanced molecular detection (AMD) technology, she and her colleagues discovered Bourbon virus , named for the county in Kansas where the sick person lived. (cdc.gov)
  • The purpose of this review is to provide a complete update of the various analytical methods for virus detection, such as molecular, immunological, sensor-based and other detection assays, along with the advantages and limitations of these strategies. (frontiersin.org)
  • Complete genomic sequences of the COVID-19 virus have been released and different molecular detection protocols developed but not fully validated yet. (paho.org)
  • However, given the current circulation of COVID-19 in the Americas region, the Pan American Health Organization/World Health Organization (PAHO/WHO) recommends to Member States to ensure timely identification of suspect cases, collection and shipment of samples to reference laboratories, and implementation of molecular detection protocols, according to the laboratory capacity. (paho.org)
  • Molecular Detection of Human H7N9 Influenza A Virus Causing Outbreaks in China. (flutrackers.com)
  • Molecular tests for rapid detection of this virus are urgently needed. (flutrackers.com)
  • This combination of molecular beacon technology and enzymatic digestion has proved to be a highly specific, cost-effective and fast alternative for detecting virus as SARS-CoV-2 in complex samples. (innoget.com)
  • This study aimed to assess the molecular and seasonal pattern of influenza virus subtypes in western Saudi Arabia to inform policy decisions on influenza vaccine. (atlantis-press.com)
  • Molecular surveillance of the influenza viruses should be enhanced continuously for a better understanding of the influenza activity and assessment of vaccine effectiveness. (atlantis-press.com)
  • Molecular tests called RT-PCR (polymerase chain reaction) tests look for genetic material from the RSV virus in your sample. (medlineplus.gov)
  • Despite availability of a universal vaccine, hepatitis B virus (HBV) infection has a huge impact on public health worldwide. (wjgnet.com)
  • The combination of quantitative detection of hepatitis B surface antigen (HBsAg) and hepatitis B virus (HBV) DNA can be used to classify individuals during the course of HBV infection and to monitor therapy. (wjgnet.com)
  • Although this is the first study to show that Bourbon virus is likely spread to people by the bite of an infected lone star tick, scientists do not know yet how likely it is that people could get Bourbon virus infection from a tick bite. (cdc.gov)
  • Hence, combination of quantitative detection of HBV DNA and HBsAg can be used to discriminate patients during the course of HBV infection and to monitor therapy. (wjgnet.com)
  • The current scenario regarding the widespread Zika virus (ZIKV) has resulted in numerous diagnostic studies, specifically in South America and in locations where there is frequent entry of travelers returning from ZIKV-affected areas, including pregnant women with or without clinical symptoms of ZIKV infection. (frontiersin.org)
  • This situation has created an alarming public health emergency of international concern requiring the detection of this life-threatening viral candidate due to increased cases of newborn microcephaly associated with ZIKV infection. (frontiersin.org)
  • Considering the calamity of ZIKV infection, there is an urgent need to develop rapid detection methods for ZIKV along with DENV, which shares common clinical symptoms with ZIKV. (frontiersin.org)
  • Latent infection with adenovirus and respiratory syncytial virus (RSV) is associated with chronic obstructive pulmonary disease (COPD). (spandidos-publications.com)
  • The results of a recent study have highlighted two seasons that are associated with an increased incidence of RSV virus infection, which peak during January and March in Turkey ( 5 ). (spandidos-publications.com)
  • The immunosensor was successfully applied in the detection and quantification of PB1-F2 in infected mouse lungs and cell lines, providing temporal expression profiles of PB1-F2 during viral infection. (omicsonline.org)
  • This virus causes a severe respiratory tract infection in high-risk populations such as elderly people, young children and patients with chronic lung and heart diseases. (omicsonline.org)
  • Hepatitis C virus infection is a major cause of chronic hepatitis, liver cirrhosis, and hepatocellular carcinoma (HCC) worldwide. (norgenbiotek.com)
  • Embryos of birds not carrying an avian leukosis virus infection and of chickens from a leukosis-free flock could thus clearly be distinguished from infected ones. (microbiologyresearch.org)
  • Lack of relationship between infection with avian leukosis virus and the presence of COFAL antigen in chick embryos. (microbiologyresearch.org)
  • A virus in chick embryos which induces resistance in vitro to infection with Rous sarcoma virus. (microbiologyresearch.org)
  • Influenza virus subtypes co-circulate with no reports of co-infection. (atlantis-press.com)
  • Since DENV infection dynamics vary among wild-type viruses and vector populations, vertical transmission rates can also vary between regions. (nature.com)
  • A simple, sensitive and specific detection method is desirable for the VZV infection . (bvsalud.org)
  • Moreover, it is estimated that up to 40% of people with SARS-CoV-2 infection may be asymptomatic (subclinical infection) or presymptomatic, and still potentially capable of transmitting the virus to others. (medscape.com)
  • RSV testing checks a fluid sample from your nose to see if the RSV virus is causing symptoms of a respiratory infection. (medlineplus.gov)
  • Herpes Simplex Virus (HSV) Infections Herpes simplex viruses (human herpesviruses types 1 and 2) commonly cause recurrent infection affecting the skin, mouth, lips, eyes, and genitals. (msdmanuals.com)
  • WHO's Regional Office of the Eastern Mediterranean had conducted an assessment of these centres and influenza laboratories in 2015-2016, which revealed that some lack the necessary capacity for virus isolation in cell culture, and for antigenic characterization of human influenza viruses - capacities that are fundamental for early detection and recognition of influenza viruses of epidemic and pandemic potential. (who.int)
  • Influenza viruses cause respiratory illnesses in humans, and in some animal and bird species. (who.int)
  • Influenza viruses are recognized globally as persistent threats to human health. (atlantis-press.com)
  • The first external quality assessment of isolation and identification of influenza viruses in cell culture in the Asia Pacific region, 2016. (who.int)
  • PB1-F2 is a small, 90 amino acid long polypeptide expressed in influenza A viruses, which generally exacerbate virus pathogenicity. (omicsonline.org)
  • Now they hope to take that concept one step further, by producing a chip which could detect pathogens such as Staphylococcus aureus and even variants of the dreaded H1N1 virus, also known as Swine Flu. (bibleprophecyblog.com)
  • Isolation of genetically diverse Marburg incomplete for many regions of the We edited and aligned nucleotide se- viruses from Egyptian fruit bats. (cdc.gov)
  • Isolation and characterization of proteins from Rous sarcoma virus. (microbiologyresearch.org)
  • CYSDV cannot be detected using serological tests, and scientists considered it too difficult to purify the virus in sufficient quantities to make antibodies. (natureasia.com)
  • Preparing antibodies that stick to this particular protein can be used to detect the presence of the virus. (natureasia.com)
  • The rabbit's serum was then used to obtain purified antibodies, which were used to develop ELISA detection systems for CYSDV. (natureasia.com)
  • Radioimmunoassay for detecting group-specific avian RNA tumor virus antigens and antibodies. (microbiologyresearch.org)
  • Comparison of enzyme-linked immunosorbent assay and haemagglutination inhibition test for the detection of Newcastle disease virus antibodies in human sera. (bmj.com)
  • A comparison of haemagglutination inhibition (HI) and enzyme-linked immunosorbent assay (ELISA) techniques for the detection of antibodies against Newcastle disease virus in sera from persons working in poultry farms and veterinary vaccine institutes and from the general population revealed that 22% more sera were positive by ELISA compared to HI. (bmj.com)
  • Currently, there are three basic types of tests to determine if an individual has been infected with SARS-CoV-2: viral nucleic acid (RNA) detection, viral antigen detection, and detection of antibodies to the virus. (medscape.com)
  • Hence, this review reports possible methods and strategies for the fast and reliable detection of ZIKV with particular emphasis on current updates, knowledge, and new hypotheses that might be helpful for medical professionals in poor and developing countries that urgently need to address this problem. (frontiersin.org)
  • Nanowerk News ) A team led by researchers at UC Santa Cruz has developed chip-based technology for reliable detection of Ebola virus and other viral pathogens. (nanowerk.com)
  • Unfortunately, some of the virus species that cause significant health and economic impacts do not have robust and reliable detection methods due to several reasons. (umass.edu)
  • The developed RPA assay here may provide a useful alternative tool for the rapid, simple and reliable detection of Sss and PMTV in diagnostic laboratories and in-field testing. (oregonstate.edu)
  • Human rotavirus antigen detection by enzyme-immunoassay with antisera against Nebraska calf diarrhoea virus. (bmj.com)
  • Now the firm is seeking to cash in on public fears over the Swine Flu pandemic, by developing an implant which could be used to detect the presence of a virus in the human body. (bibleprophecyblog.com)
  • 2 November 2017 - WHO conducted a 5-day workshop in Rabat, Morocco, on influenza virus identification and handling mechanisms to enhance the capacities of national influenza centres in the Eastern Mediterranean Region for timely and effective detection of seasonal and pandemic influenza. (who.int)
  • By establishing virus identification and handling mechanisms, and through timely detection of unknown viruses, national influenza centres can be effective in limiting the spread of seasonal and pandemic influenza in the Region, and around the world," said Dr Mamunur Malik, Manager of the Infectious Hazard Management unit at WHO's Health Emergencies Programme at the Regional office in Cairo. (who.int)
  • A pandemic occurs when an influenza virus which was not previously circulating among humans, and to which most people do not have immunity, emerges and transmits among humans. (who.int)
  • Timely - with recent outbreaks of SARS, MERS and the present Covid-19 pandemic, biosensors for the detection of viral pathogens offer a cheap, simple to use and fast solution. (carmichaelsbookstore.com)
  • The recent CoVID-19 pandemic underscores the importance of timely detection for developing effective intervention strategies. (umass.edu)
  • The established assay allows rapid detection of the novel human H7N9 virus, thereby allowing better pandemic preparedness. (flutrackers.com)
  • The colorimetric detection signal was amplified using biotinylated silica nanoparticles (NP). (flutrackers.com)
  • Laboratory tests using preparations of Ebola virus and other hemorrhagic fever viruses showed that the system has the sensitivity and specificity needed to provide a viable clinical assay. (nanowerk.com)
  • We developed a 1-step quantitative real-time reverse-transcription PCR assay to detect the novel human H7N9 virus. (flutrackers.com)
  • In addition, the assay was evaluated using influenza A viruses of various genetic backgrounds and other negative controls. (flutrackers.com)
  • The assay specificity was high and all negative control samples, including 8 H7 viruses not closely related to the human H7N9 virus, tested negative. (flutrackers.com)
  • The assay combines immunomagnetic beads and biotin-nanoparticle-based detection to quantify a highly conserved viral nucleoprotein in virus lysates. (flutrackers.com)
  • The virus is a reassortant of avian viruses, but these human isolates contain mutations [hemagglutinin (HA) Q226L and PB2 E627K] that might make it easier for the virus to adapt to mammalian hosts. (flutrackers.com)
  • The World Health Organization is concerned about the highly virulent strains of IAV, such as H5N1 avian viruses which has about 60% lethality rate [ 1 ]. (omicsonline.org)
  • We're detecting the nucleic acids directly, and we achieve a comparable limit of detection to PCR and excellent specificity. (nanowerk.com)
  • Adding a "preconcentration" step during sample processing on the microfluidic chip extended the limit of detection well beyond that achieved by other chip-based approaches, covering a range comparable to PCR analysis. (nanowerk.com)
  • The limit of detection (LOD) of the strip was 30 ng mL-1 of purified VZV gE antigen , and it could specifically test VZV without cross-reactivity with Enterovirus 71 (EV-71), Herpes simplex virus 1 ( HSV-1 ) and Herpes simplex virus 2 ( HSV-2 ). (bvsalud.org)
  • Each virus species has a unique coat protein (CP). (natureasia.com)
  • Detection of a protein of avian leukoviruses in uninfected chick cells by RIA. (microbiologyresearch.org)
  • For the first time , we developed a colloidal gold -based immunochromatographic strip for rapid detection of VZV using a pair of mAbs against gE protein . (bvsalud.org)
  • Encephalitis is inflammation of the parenchyma of the brain, resulting from direct viral invasion or occurring as a postinfectious immunologic complication caused by a hypersensitivity reaction to a virus or another foreign protein. (msdmanuals.com)
  • The method provides specificity and multiplex capabilities, being able to discriminate between currently known · SARS-CoV-2 virus variants. (innoget.com)
  • The most well-known variants are signature-based detection (recognizing bad patterns, such as malware) and anomaly-based detection (detecting deviations from a model of "good" traffic, which often relies on machine learning). (wikipedia.org)
  • A four-layer solid phase enzyme-immunoassay (EIA) with antisera against Nebraska calf diarrhoea virus (NCDV) as immunoreagents was developed to detect human rotavirus antigens from stool specimens of patients with acute rotavirus gastroenteritis. (bmj.com)
  • Complement-fixing antigens in tissue cultures of avian leukosis viruses. (microbiologyresearch.org)
  • They check a fluid sample from your nose for certain proteins from the RSV virus called antigens. (medlineplus.gov)
  • RSV antigens trigger your immune system to attack the virus. (medlineplus.gov)
  • Routine Investigations yielded or until the detection of viral antigens. (who.int)
  • This review summarizes the currently available methods employed for the rapid detection of ZIKV and suggests an innovative approach involving the application of a liposome-based hypothesis for the development of new strategies for ZIKV detection and their use as effective biomedicinal tools. (frontiersin.org)
  • Rapid detection of varicella-zoster virus based on an immunochromatographic strip. (bvsalud.org)
  • This strategy reduces considerably the detection limits of targeted RNAs, demonstrating high specificity regardless of the complexity of the samples. (innoget.com)
  • Although the national call center provided public health information for a high volume of calls, its low sensitivity for Ebola case detection limits its utility as a surveillance system. (cdc.gov)
  • The developed NCDV-EIA was as sensitive and specific for rotavirus as the HRV-EIA, and it allowed the detection of both established rotavirus types 1 and 2 from stools with equal sensitivity. (bmj.com)
  • So as to know the important efficiency indicators of those kits, analytical sensitivity and precision had been evaluated with virus-like particle (VLP)-encapsulated EBOV RNA. (sebov-detection.com)
  • The difficulties in cultivating human rotavirus in vitro for immunisation and the relative ease of growing NCDV in widely-used continuous cell lines make NCDV a good alternative in the preparation of the highly specific and sensitive rotavirus antisera required in immunoassays, and facilitate the setting-up methods for the routine diagnosis of rotavirus gastroenteritis by EIA or RIA in diagnostic virus laboratories. (bmj.com)
  • Sharing the experience of laboratory directors and personnel in the Eastern Caribbean countries, UKOTS and French Departments on detection and diagnosis of the virus. (bvsalud.org)
  • Baseline data on cir- region, which were used for further fever outbreaks in Uganda and the Demo- culating measles virus genotypes are analysis. (cdc.gov)
  • The system uses direct optical detection of viral molecules and can be integrated into a simple, portable instrument for use in field situations where rapid, accurate detection of Ebola infections is needed to control outbreaks. (nanowerk.com)
  • The detection and evaluation of concentration of influenza virus proteins in biological samples is critical in a broad range of medical and biological investigations regarding the concern over potential outbreaks of virulent influenza strains in animals and humans. (omicsonline.org)
  • Vertical transmission in Aedes aegypti and Aedes albopictus is considered a maintenance mechanism for dengue virus (DENV) during unfavorable conditions and may be implicated in dengue outbreaks. (nature.com)
  • The epidemic of Ebola virus disease (Ebola) in West Africa began in Guinea in late 2013 ( 1 ), and on August 8, 2014, the World Health Organization (WHO) declared the epidemic a Public Health Emergency of International Concern ( 2 ). (cdc.gov)
  • An outbreak of Ebola virus in West Africa has killed more than 11,000 people since 2014, with new cases occurring recently in Guinea and Sierra Leone. (nanowerk.com)
  • The current gold standard for Ebola virus detection relies on a method called polymerase chain reaction (PCR) to amplify the virus's genetic material for detection. (nanowerk.com)
  • In laboratory tests, the system provided sensitive detection of Ebola virus while giving no positive counts in tests with two related viruses, Sudan virus and Marburg virus. (nanowerk.com)
  • Testing with different concentrations of Ebola virus demonstrated accurate quantification of the virus over six orders of magnitude. (nanowerk.com)
  • The targeted molecules--in this case, Ebola virus RNA--are isolated by binding to a matching sequence of synthetic DNA (called an oligonucleotide) attached to magnetic microbeads. (nanowerk.com)
  • Ebola virus disease (EVD), commonly known as Ebola is a highly persons lived in camps for the internally displaced. (who.int)
  • Ebola virus and usually associated with bleeding manifestations. (who.int)
  • Ebola virus was isolated. (who.int)
  • Initial direct viral detection is typically performed using an upper respiratory tract (URT) specimen. (medscape.com)
  • A new variant of the Russian Trojan Gozi is circulating on the Web, this time armed with a keylogging function and the ability to scramble itself so it is difficult to detect by anti-virus software. (neowin.net)
  • The new version has a Disassembly Engine which will examine complex virus codes and help detect encrypted malware. (linux-magazine.com)
  • As we continue to build on our partnership with Receptors, which started with the development of a glucose-sensing RFID implantable microchip, we are moving beyond patient identification to sensors that can detect and identify illnesses and viruses such as influenza," said Scott R. Silverman, chairman of VeriChip, in a statement. (bibleprophecyblog.com)
  • The new ELISA (enzyme-linked immunosorbant assays) kits detect cucurbit yellow stunting disorder virus (CYSDV), which infects cucumbers, melon, squash and watermelon, and prune dwarf virus (PDV), which infects stone fruits like peach, almond, and nectarine. (natureasia.com)
  • For a little over a year, it has been possible in France to obtain a self-test to detect the presence of the AIDS virus in just fifteen minutes from a simple drop of blood. (speclab.com)
  • Chromatographic separation and antigenic analysis of proteins of the oncorna viruses. (microbiologyresearch.org)
  • Nevertheless, the antigenic drift through several mechanisms that include insertions, deletions, and substitutions are frequent among influenza A and different lineages of influenza B viruses [ 7 - 10 ]. (atlantis-press.com)
  • Although extensive antigenic cross-reactivity exists between the two viral types of herpes, a viral glycoprotein specific for herpes simplex virus type 2 (HSV-2) (designated gG-2) and a glycoprotein specific for herpes simplex virus type 1 (HSV-1) (designated gG-1) have been identified. (cdc.gov)
  • Researchers at the American University of Beirut (AUB), Lebanon, have developed new plant virus detection kits for diseases that reduce crop yields and cause economic loss throughout the country. (natureasia.com)
  • Human adenovirus, a DNA virus, is associated with respiratory infections and smoking-induced lung function impairment ( 2 , 3 ). (spandidos-publications.com)
  • RSV, which is an enveloped RNA virus, is one of the most important and frequent viruses for respiratory tract infections in infants and young children ( 4 ). (spandidos-publications.com)
  • This test checks for RSV and other respiratory viruses and bacterial infections at the same time. (medlineplus.gov)
  • The current study focuses on this aspect of sample concentration prior to detection using engineered bacterial strains. (umass.edu)
  • Adenoplex® multiplex polymerase chain reaction (PCR) kits and Invitek RTP® DNA/RNA Virus Mini kits were used for PCR assays of adenovirus and RSV, respectively. (spandidos-publications.com)
  • The detection limit has been reduced more than 3 times in · RNA samples compared to conventional hybridization assays. (innoget.com)
  • Since the initial description of LAMP, a number of advancements in detection technology have helped establish LAMP as a standard method for simple isothermal diagnostics. (medrxiv.org)
  • Rapid Isothermal Detection of Spongospora subterranea f. sp. (oregonstate.edu)
  • Zika virus (ZIKV) has been isolated from many mosquito species in nature, but it is believed that the main vectors in urban environments are species of the genus Aedes. (escholarship.org)
  • Using quantitative real-time polymerase chain reaction, ZIKV detection was performed in mosquito samples collected from February to April 2016. (escholarship.org)
  • Wooden shafts or calcium alginate swabs may contain substances that inhibit some viruses and nucleic acid detection reactions. (medscape.com)
  • Preparedness for Zika virus testing in the World Health Organization Western Pacific Region. (who.int)
  • Varicella-zoster virus (VZV) is a highly infectious DNA virus that can cause varicella ( chickenpox ) and herpes zoster (HZ). (bvsalud.org)
  • Encephalitis is most commonly due to viruses, such as herpes simplex, herpes zoster, cytomegalovirus. (msdmanuals.com)
  • Smallpox is an acute, contagious disease caused by the variola virus, a member of the genus Orthopoxvirus , in the Poxviridae family (see the image below). (medscape.com)
  • Although these biosensors are currently among the less popular tools for human disease detection, they have become useful tools for the screening and detection of pathogenic bacteria, fungi, and viruses because of their versatile advantageous features compared to other sensing devices. (frontiersin.org)
  • The sample preparation step is very crucial especially when food and environmental samples are involved due to the small number of infectious virus particles in a large volume of sample (eg. (umass.edu)
  • Linux may not be as virus-ready as Windows, but who wants to harbor pointless malware? (linux-magazine.com)
  • Also, what guarantees do you (and I) have that some dependency in my code does not introduce some sort of virus or malware? (nmcollector.net)
  • Some people run many virus/malware detection applications at once but this is not recommended because they may interfere with one another. (nmcollector.net)
  • They run the uploaded software against 70 (or so) anti-virus/malware vendors and report the results. (nmcollector.net)
  • In our modern world of machine learning, some algorithms can produce false positives where the algorithm thinks a virus or malware was detected when there really is none. (nmcollector.net)
  • Are you seeing any detection of viruses or malware on your systems? (nmcollector.net)
  • Seasonal pulses of Marburg virus circulation in juvenile Rousettus aegyp- miologic investigations and virologic Carlsbad, CA, USA) and previously tiacus bats coincide with periods of in- surveillance contribute notably to the described primers ( 3 , 6 ). (cdc.gov)
  • Is Marburg virus enzootic in Gabon? (cdc.gov)
  • The variola virus is a large, brick-shaped, double-stranded DNA virus that serologically cross-reacts with other members of the poxvirus family, including ectromelia, cowpox, monkeypox, vaccinia, and camelpox. (medscape.com)
  • The primer set was specific to the hemagglutinin (HA) gene of the H7N9 viruses currently causing the outbreak in China and had mismatches to all previously known avian or mammalian H7 HA sequences. (flutrackers.com)
  • CONCLUSIONS: Our results indicate that a serological follow-up screening after an outbreak may be used as a complement to virus detection in an outbreak situation. (lu.se)
  • However, immunoglobulin (Ig) G-detection should also be performed at the start of an outbreak, to facilitate interpretation of the results. (lu.se)
  • The detection of DENV-3 in years when no human autochthonous cases of this serotype were recorded suggests that silent circulation of DENV-3 is occurring and indicates that green areas may be maintaining serotypes that are not circulating in the human population, possibly by a vertical transmission mechanism. (nature.com)
  • The Schmallenberg virus (SBV) is an enveloped, single-stranded RNA virus. (kitpcr.com)
  • Each semi-artificial dataset allows to test one or several limitations that could prevent virus detection or a correct virus identification from HTS data ( i.e. low viral concentration, new viral species, non-complete genome). (datadryad.org)
  • Detection of RNA from the samples using TRIzol vention. (cdc.gov)
  • In combination to the different patient samples containing variable number of virus, a high proportion of patients were diagnosed as false negatives ( 3 , 4 ). (medrxiv.org)
  • Canine distemper virus vaccine samples in VERO cells were used as positive controls. (scielo.br)
  • Some of the virus species can be very deadly to humans and animals alike and can impose a huge economic and health burden across the world. (umass.edu)
  • A novel subtype of influenza A virus (H7N9) was recently identified in humans. (flutrackers.com)
  • Cowpox virus "scarification" by Jenner, used to induce protective immunity against smallpox, is not a single species but a group of up to 5 virus species that infects cows, humans, and other animals. (medscape.com)
  • In a recently published study reported in Emerging Infectious Diseases , scientists used AMD data and other laboratory techniques to develop tests to identify Bourbon virus in ticks. (cdc.gov)
  • Laboratory technician identifies the type of virus using WHO standard influenza kits during influenza virus identification workshop held from 31 October to 2 November in Rabat, Morocco. (who.int)
  • Compared to our system, PCR detection is more complex and requires a laboratory setting," said senior author Holger Schmidt, the Kapany Professor of Optoelectronics at UC Santa Cruz. (nanowerk.com)
  • Phase 1a documentation of laboratory containment of polio viruses has been conducted by all Member States. (who.int)
  • With the help of AMD, scientists developed methods to test these ticks for Bourbon virus. (cdc.gov)
  • Now, by using AMD technologies and new methods designed from the resulting data, scientists can show that Bourbon virus is likely spread to people by the bite of an infected lone star tick. (cdc.gov)
  • In some cases, despite having gold standard methods for detection of viruses, lack of effective upstream sample preparation steps could result in underestimating the viral loads. (umass.edu)
  • We also highlight the importance of using UV-C based disinfection methods for combating environmentally significant viruses. (umass.edu)
  • These detection methods have allowed detection by visual examination without instrumentation using dyes that utilize inherent by-products of the extensive DNA synthesis, such as malachite green( 6 ), calcein ( 7 ) and hydroxynaphthol blue ( 8 ). (medrxiv.org)
  • It focused on detection and identification of seasonal influenza virus sub-types, using cell culture and hemaglutination - steps that are essential for identifying viruses to make vaccines. (who.int)
  • Every year, seasonal Influenza A virus (IAV) affects millions of people leading to illness and death. (omicsonline.org)
  • This parallel detection of PB1-F2 and NP suggests that applied sensor chip technology may be amenable to an arrow immunosensor for simultaneous detection of all known influenza virus proteins in infected tissues and cells. (omicsonline.org)
  • Treatment involves antiviral drugs when indicated (eg, in herpes simplex virus encephalitis) and is otherwise supportive. (msdmanuals.com)
  • The VeriChip Corporation, which manufactures the implantable RFID identification tag, has acquired licenses to produce a chip which will be able to sense the presence of a virus, among other things, within the human body. (bibleprophecyblog.com)
  • Influenza virus vaccines and reagents. (who.int)
  • On 11 February 2020, the International Committee on Taxonomy of Viruses (ICTV) announced that the virus was named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). (paho.org)
  • Viruses are associated with more severe exacerbations and with greater morbidity, therefore, require further research ( 1 ). (spandidos-publications.com)