• Nipah virus infection can be prevented by avoiding exposure to sick pigs and bats in areas where the virus is present, and not drinking raw date palm sap which can be contaminated by an infected bat. (cdc.gov)
  • Chikungunya virus infection has a clinical presentation that overlaps with that of Ross River virus infection (fever, rash, polyarthritis) and dengue fever transmitted by the same mosquitoes. (medscape.com)
  • Both natural and Chikungunya virus infection-induced specific antibodies were essential for controlling Chikungunya virus infections. (medscape.com)
  • Chikungunya virus infection elicited strong innate immunity with an abundant production of proinflammatory markers and cytokines, including high levels of alpha interferon, interleukin (IL)-4, IL10, and gamma interferon. (medscape.com)
  • Some viruses, including those that cause HIV/AIDS, HPV infection, and viral hepatitis, evade these immune responses and result in chronic infections. (wikipedia.org)
  • Molecular and serologic testing for Bourbon virus infection can be performed at the CDC. (cdc.gov)
  • There are no commercially available tests for Bourbon virus infection in the United States. (cdc.gov)
  • Please contact your state health department if you have a patient with an acute illness that might be compatible with Bourbon virus infection. (cdc.gov)
  • Researchers have linked Zika virus infection with Guillain-Barre syndrome, a severe neurological disorder that can cause paralysis. (prnewswire.com)
  • Beyond Zika, Dengue, Chikungunya and West Nile virus, the Hemopurifier has also been validated to capture Monkey pox, which serves as models for human Smallpox infection. (prnewswire.com)
  • It is always a great concern when a new flu virus emerges, because the general population does not have immunity and almost everyone is susceptible to infection and disease. (bcm.edu)
  • A variety of techniques have been used to examine plant viral genomes, the functions of virus-encoded proteins, plant responses induced by virus infection and plant-virus interactions. (springer.com)
  • These approaches include analysis of spatial and temporal responses by plants to infection, and techniques that allow the expression of viral genes transiently or transgenically in planta, the expression of plant and foreign genes from virus vectors, the silencing of plants genes, imaging of live, infected cells, and the detection of interactions between viral proteins and plant gene products, both in planta and in various in vitro or in vivo systems. (springer.com)
  • Signs and symptoms of Zika virus (ZIKV) infection are nonspecific and mimic other infections. (medscape.com)
  • Among them, dengue virus infection is the most serious and may be life-threatening. (medscape.com)
  • Musso D, Ko AI, Baud D. Zika Virus Infection - After the Pandemic. (medscape.com)
  • Hundreds of people were tested or monitored for potential Ebola virus infection, [16] but the two nurses were the only confirmed cases of locally transmitted Ebola. (wikipedia.org)
  • All of this points to "the need to examine how and to what extent congenital Zika virus infection and resulting brain abnormalities are associated with seizures and/or epilepsy ," the CDC authors wrote. (cbsnews.com)
  • 3 Chronic HCV infection develops in about 70% of patients exposed to the virus. (cmaj.ca)
  • Endosomal proteolysis of the Ebola virus glycoprotein is necessary for infection. (sciencedaily.com)
  • Specifically, the study analyzed serum samples from 275 Iberian lynxes, and liver and feces samples from 176 others, to test the prevalence and seroprevalence of the Hepatitis E Virus, i.e. the presence of active virus and of antibodies once the infection has passed. (eurekalert.org)
  • Although active infection by the virus was only detected in one animal, the seroprevalence results were different depending on the habitat of the lynx: in the wild or in captivity. (eurekalert.org)
  • Even so, with the aim of limiting exposure to the virus in the Iberian lynx, it would be valuable to know how infection occurs, particularly in captive animals, where greater exposure has been observed. (eurekalert.org)
  • If the hypothesis that the main route of infection in this subpopulation is farm rabbit meat is confirmed, measures could be taken to prevent infection, such as feeding animals with rabbits from farms that do not have the virus. (eurekalert.org)
  • A viral infection is a proliferation of a harmful virus inside your body. (medicinenet.com)
  • With an active viral infection, a virus makes copies of itself and bursts the host cell (killing it) to set the newly-formed virus particles free. (medicinenet.com)
  • Certain viruses -- like the ones that cause chickenpox and cold sores -- may be inactive or "latent" after the initial infection. (medicinenet.com)
  • Evidence of Locally Acquired Dengue Virus Infection, Arizona This report details the identification of the first locally acquired human dengue virus infection in Maricopa County, Arizona. (medscape.com)
  • Zika-Associated Birth Defects Reported in Pregnancies How prevalent are Zika-associated brain and eye defects among infants of pregnant women who had confirmed or suspected Zika virus infection during the 2015-2017 Zika virus outbreak? (medscape.com)
  • Laboratory-Associated Zika Virus Disease, U.S., 2016-2019 A new report highlights the potential risk for Zika infection among laboratory workers due to occupational exposure to the virus. (medscape.com)
  • Immunoglobulin M antibody test to detect genogroup II Norwalk-like virus infection. (medscape.com)
  • Zika is a virus. (plannedparenthood.org)
  • The Zika studies, which were conducted with small-scale versions of the Hemopurifier®, demonstrated a 95% clearance of Zika virus from cell culture fluid in 5.5 hours and an approximate 50% clearance of Zika from human blood serum in 5 hours. (prnewswire.com)
  • Like Zika virus, MERS-CoV is not addressed with a proven drug or vaccine. (prnewswire.com)
  • Zika virus is the most recent of four significant arboviruses that have spread to the Western Hemisphere. (prnewswire.com)
  • The history of Zika virus. (medscape.com)
  • Available at https://www.who.int/news-room/feature-stories/detail/the-history-of-zika-virus . (medscape.com)
  • Zika virus outbreak on Yap Island, Federated States of Micronesia. (medscape.com)
  • Gulland A. Zika virus is a global public health emergency, declares WHO. (medscape.com)
  • The 3.8 Ã… resolution cryo-EM structure of Zika virus. (medscape.com)
  • Dengue and Zika Viruses: Epidemiological History, Potential Therapies, and Promising Vaccines. (medscape.com)
  • Zika Virus Infects Human Cortical Neural Progenitors and Attenuates Their Growth. (medscape.com)
  • Evasion of Innate and Intrinsic Antiviral Pathways by the Zika Virus. (medscape.com)
  • Zika virus, a cause of fever in Central Java, Indonesia. (medscape.com)
  • Concurrent outbreaks of dengue, chikungunya and Zika virus infections - an unprecedented epidemic wave of mosquito-borne viruses in the Pacific 2012-2014. (medscape.com)
  • Zika virus disease epidemic: potential association with microcephaly and Guillain-Barré syndrome (first update). (medscape.com)
  • Available at https://www.ecdc.europa.eu/sites/default/files/media/en/publications/Publications/rapid-risk-assessment-zika-virus-first-update-jan-2016.pdf . (medscape.com)
  • Zika Virus Associated with Microcephaly. (medscape.com)
  • Beyond its known links to birth defects and other problems, the Zika virus may also trigger cases of epilepsy in infants, warn experts from the U.S. Centers for Disease Control and Prevention. (cbsnews.com)
  • The Zika virus is transmitted via mosquito bites, and its most devastating effects occur when pregnant women are infected. (cbsnews.com)
  • In a prior study, babies exposed to another common virus, called cytomegalovirus, had higher rates of epilepsy as well - and showed brain abnormalities that were similar to those associated with Zika. (cbsnews.com)
  • What is the Zika virus? (cnn.com)
  • La alta incidencia de cuadros asintomáticos maternos de zika congénito en Brasil condujo a la realización de serología para el virus de Zika, el cual no se detectó. (medscape.com)
  • Zika-Virus und Mikrozephalie: Ist es nicht allein das Virus? (medscape.com)
  • Serologic Cross-Reactivity Between Dengue Virus and SARS-CoV-2 Prior reports have suggested cross-reactivity between assays for SARS-CoV2, dengue, and Zika viruses, but this report indicates high specificity and minimal levels of cross-reactivity among the three. (medscape.com)
  • Cite this: COVID-19 Virus Infects Coronary Vasculature - Medscape - Sep 29, 2023. (medscape.com)
  • Viruses 2021, 13, 2515. (lu.se)
  • West Nile Virus and Other Arboviral Diseases -- U.S., 2021 A new report sheds light on the nationwide rates of West Nile virus and other arboviral infections in 2021. (medscape.com)
  • It also reaffirmed the need to reach consensus on a proposed date for destruction of the variola virus stocks, when research outcomes crucial to an improved public health response to an outbreak so permitted. (who.int)
  • it appears that I, Jim Rapoza, am one of the worst virus spreaders in the world, and you can lay a large portion of the recent virus outbreak at my feet. (eweek.com)
  • Every few decades or so, a new version of the influenza virus emerges in the human population that causes a serious global outbreak of disease called a pandemic . (bcm.edu)
  • Even as wild virus rates plunged there, an outbreak of vaccine-derived poliovirus caused about 350 paralytic cases. (latimes.com)
  • For the 2013-2016 outbreak in Africa, see Ebola virus epidemic in West Africa . (wikipedia.org)
  • The virus causing the current outbreak belongs to the Zaire species. (who.int)
  • Trump's suggestion that the coronavirus outbreak will subside with the onset of warmer temperatures in the Northern Hemisphere is likely based on general trends with viral infections: They often thrive in the colder months because people are spending more time indoors in close proximity to others and because lower humidity in winter allows a virus to remain in the air for longer periods of time. (aol.com)
  • Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. (wikipedia.org)
  • The variety of host cells that a virus can infect is called its host range: this is narrow for viruses specialized to infect only a few species, or broad for viruses capable of infecting many. (wikipedia.org)
  • There are three different types of influenza virus - A, B, and C. Type A viruses infect humans and several types of animals, including birds, pigs, and horses. (bcm.edu)
  • Michelangelo, unlike some viruses, has to be passed on physically, on a diskette, to infect a computer's hard disk. (upi.com)
  • Larger than some bacteria, this virus - seen in a cross-section under a transmission electron microscope - was still able to infect amoebae despite having spent 30 millennia in a frozen state. (nature.com)
  • We thought it was a property of viruses that they pack DNA extremely tightly into the smallest particle possible, but this guy is 150 times less compacted than any bacteriophage [viruses that infect bacteria]. (nature.com)
  • Viruses depend on the organisms they infect (hosts) for their very survival. (medicinenet.com)
  • Viruses infect a host by introducing their genetic material into the cells and hijacking the cell's internal machinery to make more virus particles. (medicinenet.com)
  • Either way, new virus particles are then free to infect other cells. (medicinenet.com)
  • The virus that causes chicken pox, varicella-zoster virus, or VZV for those in the know, is a tricky customer. (dictionary.com)
  • Antigen tests detect specific proteins on the virus that causes COVID-19. (medlineplus.gov)
  • Type A influenza is classified into subtypes depending on which versions of two different proteins are present on the surface of the virus. (bcm.edu)
  • Only one-third of its proteins bear any similarity to those of other viruses. (nature.com)
  • Senior author James M. Cunningham, M.D., of Brigham and Women's Hospital and Harvard Medical School in Boston, and his colleagues discovered two cellular enzymes that the Ebola virus co-opts and uses to cut up one of the virus' surface proteins. (sciencedaily.com)
  • In this project we wil rebuild one of these amazing protein assemblies, spherical virus capsids, to function as nanoscale chemical reactors and containers for gene delivery of proteins into human cel s. (lu.se)
  • In spherical viruses capsid proteins forms icosahedral shel s with hundreds of subunits. (lu.se)
  • The success of the first five Emerging Oncogenic Viruses meetings (held in 2010, 2012, 2014, 2016, and 2018), together with the enthusiastic support of our colleagues in the oncogenic virus field, has encouraged us to repeat the event in 2022. (who.int)
  • The term "Chikungunya" often refers to both the virus (CHIKV) and the illness or fever (CHIKF) caused by this virus. (medscape.com)
  • The exact pathophysiology of Chikungunya virus remains to be investigated. (medscape.com)
  • Using a murine model, Lum et al showed that anti-Chikungunya virus antibodies were elicited early in the course of the illness and were directed against the C-terminus of the viral E2 glycoprotein. (medscape.com)
  • [ 23 , 24 ] Bernard et al evaluated this mechanism and found that Chikungunya virus enters mammalian epithelial cells via a clathrin-independent, Esp-15-dependent, dynamin 2-dependent route and requires an endocytic pathway in combination with other unknown pathways. (medscape.com)
  • The authors speculate that Chikungunya virus is capable of undergoing genetic drifts and could acquire alternate entry mechanisms. (medscape.com)
  • Several murine models with Chikungunya virus-related joint and neurological diseases are being investigated. (medscape.com)
  • Other etiologies include chikungunya virus , yellow fever virus, parvovirus , enterovirus , Ross River virus, plasmodia ( malaria ), rickettsia and COVID-19 . (medscape.com)
  • The virus is transmitted to people from wild animals and spreads in the human population through human-to-human transmission. (who.int)
  • Breast Milk as Route of Tick-Borne Encephalitis Transmission Could mothers transmit tick-borne encephalitis virus to their infants through breastfeeding? (medscape.com)
  • At the Sixty-ninth World Health Assembly in May 2016, Member States discussed the timing of destruction of existing variola virus stocks. (who.int)
  • Encefalitis en IDWeek 2016 con la Dra. (medscape.com)
  • This article is about Ebola virus cases in the United States starting in 2014. (wikipedia.org)
  • Ebola virus disease in the U.S. (wikipedia.org)
  • Four laboratory-confirmed cases of Ebola virus disease (commonly known as "Ebola") occurred in the United States in 2014. (wikipedia.org)
  • Thomas Eric Duncan was from Monrovia, Liberia , to date the country hit hardest by the Ebola virus epidemic . (wikipedia.org)
  • On September 15, 2014, the family of Marthalene Williams, who later died of Ebola virus disease , could not call an ambulance to transfer the pregnant Williams to a hospital. (wikipedia.org)
  • Ebola virus disease is a severe, often fatal illness in humans. (who.int)
  • Ebola virus reproduction in laboratory-grown cells is severely hampered by enzyme-inhibiting chemicals, and these chemicals deserve further study as possible treatments for Ebola virus infections in humans, report scientists supported in part by the National Institute of Allergy and Infectious Diseases (NIAID), a component of the National Institutes of Health (NIH). (sciencedaily.com)
  • The researchers, whose paper is published online today in Science Express, identified two cellular enzymes Ebola virus must have to reproduce. (sciencedaily.com)
  • Ebola virus, like the Marburg virus now alarming Angola, is a filovirus, a family of viruses that cause severe and frequently fatal hemorrhagic fevers. (sciencedaily.com)
  • This new research sheds light on the mechanism Ebola virus uses to enter cells," notes NIAID Director Anthony S. Fauci, M.D. "These findings raise the possibility of a broad-spectrum antiviral therapy that could be effective against multiple hemorrhagic fever viruses. (sciencedaily.com)
  • The scientists applied broad-spectrum enzyme inhibitors to mammalian cells before exposing them to Ebola virus. (sciencedaily.com)
  • When one specific cellular enzyme, cathepsin B, was inhibited, the infectivity of Ebola virus dropped to near zero. (sciencedaily.com)
  • The wealth of existing knowledge regarding the design and in vivo pharmacology of these inhibitors may facilitate development of an anti-Ebola-virus therapy. (sciencedaily.com)
  • Specific to pandemic influenza threats, the Hemopurifier has been validated to capture the H5N1 avian flu virus, H1N1 swine flu virus, and the reconstructed 1918 influenza virus, which represents a model for the strain of influenza that killed an estimated 50 million victims. (prnewswire.com)
  • In the spring of 2009, a different influenza virus - one that had never been seen before - suddenly appeared. (bcm.edu)
  • Hopefully, the knowledge gained in response to the H5N1 and 2009 H1N1 outbreaks, and continued research to more completely understand influenza virus, as well as improvements in vaccine and drug development, will enable us to minimize the effects of future influenza outbreaks. (bcm.edu)
  • Most virus species have virions too small to be seen with an optical microscope and are one-hundredth the size of most bacteria. (wikipedia.org)
  • The origins of viruses in the evolutionary history of life are unclear: some may have evolved from plasmids-pieces of DNA that can move between cells-while others may have evolved from bacteria. (wikipedia.org)
  • Viruses and bacteria are two types of potentially disease-causing (pathogenic) particles. (medicinenet.com)
  • Viruses are much smaller than bacteria and can't reproduce without the assistance of a host. (medicinenet.com)
  • Lab tests may help clarify whether an illness is due to a virus, bacteria, or other infectious agent or disease process. (medicinenet.com)
  • most viruses are much smaller than bacteria. (medicinenet.com)
  • 3. Davies, J.W. and Hull, R. (1982) Genome expression of plant positive-strand RNA viruses. (springer.com)
  • In Nature the genome of viruses are protected by protein capsids. (lu.se)
  • The capsid serves two purposes: to protect the genome from the outside and to trick cel s into incorporating the virus. (lu.se)
  • In gene therapy viruses are used to deliver genes into cel s by swapping out the virus genome with human DNA. (lu.se)
  • The novel virus, commonly called swine flu, is named influenza A (H1N1). (bcm.edu)
  • Fortunately, however, H1N1 is far less deadly than the H5N1 virus. (bcm.edu)
  • In only a few short weeks after emerging in North America, the new H1N1 virus reached around the world. (bcm.edu)
  • Although the 2009 H1N1 pandemic did not turn out to be as deadly as initially feared, the next pandemic flu virus could emerge at any time, and we must remain vigilant. (bcm.edu)
  • 2009-08-30T10:03:35-04:00 https://ximage.c-spanvideo.org/eyJidWNrZXQiOiJwaWN0dXJlcy5jLXNwYW52aWRlby5vcmciLCJrZXkiOiJGaWxlc1wvMzdkXC8yODg1NTgtbS5qcGciLCJlZGl0cyI6eyJyZXNpemUiOnsiZml0IjoiY292ZXIiLCJoZWlnaHQiOjUwNn19fQ== Dr. Thomas Frieden talked about the H1N1 Swine Flu Virus and how the Centers for Disease Control recommends addressing this virus and other public health issues. (c-span.org)
  • Thomas Frieden briefed reporters and answered questions about the H1N1 flu virus. (c-span.org)
  • Insects including ticks and mosquitoes can act as "vectors," transmitting a virus from one host to another. (medicinenet.com)
  • To test if you have antibodies against the SARS-CoV-2 virus, you need a COVID-19 antibody test taken from a blood sample. (medlineplus.gov)
  • Serological testing for detection of antibodies to seasonal influenza viruses is useful for research studies and requires collection of appropriately timed acute and convalescent serum specimens and testing of paired sera at specialized research or public health laboratories. (cdc.gov)
  • Viral infections in animals provoke an immune response that usually eliminates the infecting virus. (wikipedia.org)
  • The virus caused damage in at least eight computers in Japan in the early hours of March 6, and China's Ministry of Public Security said it had found 'fewer than 10' infections during a survey of computer centers nationwide. (upi.com)
  • For example, some viruses protect the host against other infections. (medicinenet.com)
  • Viral infections are contagious for varying periods of time depending on the virus. (medicinenet.com)
  • To date, the avian flu virus has not acquired to ability to spread easily from person to person - a necessary step in order for a virus to cause a pandemic. (bcm.edu)
  • Reports out of South Africa Friday said as many as 1,000 computers suffered damage because of the virus. (upi.com)
  • The shapes of these virus particles range from simple helical and icosahedral forms to more complex structures. (wikipedia.org)
  • The amoebae started dying, and the team found giant-virus particles inside them. (nature.com)
  • Viruses are small particles of genetic material (either DNA or RNA) that are surrounded by a protein coat. (medicinenet.com)
  • In other cases, virus particles "bud" off the host cell over a period of time before killing the host cell. (medicinenet.com)
  • The virus makes more copies of itself, releases new virus particles, and kills more host cells. (medicinenet.com)
  • These viruses are most commonly spread by inhaling droplets containing virus particles. (medicinenet.com)
  • Virus particles and purified capsids have found many applications in nanotechnology, biotechnology and medicine. (lu.se)
  • Immunization with live virus vaccines is generally not recommended. (medscape.com)
  • West Nile virus (WNV), a mosquito-borne zoonosis, has emerged as a disease of public health concern in Europe. (lu.se)
  • The disease in "Contagion" is modeled on the lethal Nipah virus, one of the most threatening new infectious pathogens to jump from animals to humans. (brandeis.edu)
  • Three years later in Bangladesh, a more contagious and virulent strain of the virus was discovered spilling over from bats to humans, killing 75 to 100 percent of infected people. (brandeis.edu)
  • The Hepatitis E Virus (HEV) is an emerging zoonotic pathogen in Europe that affects humans, doing damage to the liver and also to other organs, such as the kidney and the central nervous system. (eurekalert.org)
  • Viruses get a bad rap, but they also perform many important functions for humans, plants, animals, and the environment. (medicinenet.com)
  • Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898, more than 11,000 of the millions of virus species have been described in detail. (wikipedia.org)
  • For the U.S. discovery of a different species of the Ebolavirus genus in 1989, see Reston virus . (wikipedia.org)
  • Viruses also participate in the process of evolution by transferring genes among different species. (medicinenet.com)
  • Using permafrost samples provided by the Russian team, they fished for giant viruses by using amoebae - the typical targets of these pathogens - as bait. (nature.com)
  • When most people hear the word "virus," they think of disease-causing (pathogenic) viruses such as the common cold, influenza, chickenpox, human immunodeficiency virus (HIV), SARS-CoV-2 and others. (medicinenet.com)
  • Hepatitis C virus (HCV) results in more lost years of life and more illness than any infectious disease in Ontario. (cmaj.ca)
  • Hepatitis C virus affects 250 000 to 400 000 Canadians and may lead to progressive liver fibrosis. (cmaj.ca)
  • Polymerase chain reaction (PCR) tests (also called Nucleic Acid Amplification Tests [NAATs]) detect the genetic material of the virus that causes COVID-19. (medlineplus.gov)
  • In evolution, viruses are an important means of horizontal gene transfer, which increases genetic diversity in a way analogous to sexual reproduction. (wikipedia.org)
  • Viruses are considered by some biologists to be a life form, because they carry genetic material, reproduce, and evolve through natural selection, although they lack the key characteristics, such as cell structure, that are generally considered necessary criteria for defining life. (wikipedia.org)
  • Genetic classification of "Norwalk-like viruses. (medscape.com)
  • Scientists believe giant fruit bats are reservoirs for many novel and scary emerging diseases, including the Nipah virus. (brandeis.edu)
  • 2. Zaitlin, M. and Palukaitis, P. (2000) Advances in understanding plant viruses and virus disease. (springer.com)
  • Our results show up to 5-fold increase in West Nile virus (WNV) risk for 2040-60 in Europe, depending on geographical region and climate scenario, compared to 2000-20. (lu.se)
  • Nipah virus (NiV) is a zoonotic virus, meaning that it can spread between animals and people. (cdc.gov)
  • Nipah virus is also known to cause illness in pigs and people. (cdc.gov)
  • The Nipah virus first emerged in 1998, sweeping through pig farms in Malaysia and Singapore. (brandeis.edu)
  • Even more nerve-racking, many of the reported Nipah cases spread from person to person - an unsettling reminder of just how easily viruses carried by animals can adapt to human hosts - creating the potential for a pandemic. (brandeis.edu)
  • A leading expert in Nipah virus ecology, Epstein focuses on the source of human contagion: uncannily cute but potentially deadly giant fruit bats - also called "megabats" or "flying foxes. (brandeis.edu)
  • HIV is one of several viruses transmitted through sexual contact and by exposure to infected blood. (wikipedia.org)
  • It's been years, but I do remember that there were several viruses that would take random MS Office documents off the infected user's computer as 'cover' when it sent itself out. (mail-archive.com)
  • The exact mechanism of entry of the virus into mammalian cells is under investigation. (medscape.com)
  • This provides an invaluable source of information for paleovirologists to trace back ancient viruses that existed as far back as millions of years ago. (wikipedia.org)
  • Its targets, fortunately, are amoebae, but the researchers suggest that as Earth's ice melts, this could trigger the return of other ancient viruses, with potential risks for human health. (nature.com)
  • Claverie and Abergel are concerned that rising global temperatures, along with mining and drilling operations in the Arctic, could thaw out many more ancient viruses that are still infectious and that could conceivably pose a threat to human health. (nature.com)
  • Let's become a computer vaccine 'CCAV' to fight computer viruses and aim for A+! (steampowered.com)
  • The virus is unique, Schwartau said, because it has been distributed so widely on commercially available software -- long considered the one place safe from computer viruses. (upi.com)
  • 14. Gowda, S., Wu, F.C., Scholthof, H.B., and Shepherd, R.J. (1989) Gene VI of figwort mosaic virus (caulimovirus group) functions in posttranscriptional expression of genes on the fulllength RNA transcript. (springer.com)
  • In biomedical research, scientists use viruses to insert new genes into cells. (medicinenet.com)
  • In its decision WHA64(11) (2011), following review of smallpox research undertaken, the Sixty- fourth World Health Assembly reaffirmed earlier decisions (resolutions WHA49.10 (1996) and WHA52.10 (1999)) that the remaining stocks of variola virus should be destroyed. (who.int)
  • A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. (wikipedia.org)
  • The test identifies the SARS-CoV-2 virus (severe acute respiratory syndrome coronavirus 2), which causes COVID-19 . (medlineplus.gov)
  • However, many scientists now question the role of the virus (Root-Bernstein, 1993). (researchgate.net)
  • You may or may not have symptoms of COVID-19 , the illness caused by the virus. (medlineplus.gov)
  • Some of the patients found to be infected with Bourbon virus have died during their acute illness. (cdc.gov)
  • A meaning of 'agent that causes infectious disease' is first recorded in 1728, long before the discovery of viruses by Dmitri Ivanovsky in 1892. (wikipedia.org)
  • There have been a limited number of Bourbon virus disease cases identified in the United States. (cdc.gov)
  • Currently there are no specific medications or therapies for Bourbon virus disease. (cdc.gov)
  • Supportive therapy is recommended for any patient suspected of having Bourbon virus disease. (cdc.gov)
  • There's a bitter irony hidden at the heart of the eradication campaign: The primary tool eradicators have used to combat the virus - the oral polio vaccine created by Albert Sabin in the late 1950s - is itself causing outbreaks of the disease. (latimes.com)
  • Questions that have arisen about the virus include whether or not it is present in sufficient quantities to cause disease and whether or not AIDS is infectious. (researchgate.net)
  • The former question has been applied to by new studies using the Polymerase Chain Reaction (PCR) technique that claim to detect very large quantities of virus in HIV+ patients at all stages of disease progression. (researchgate.net)
  • The results of the study confirmed that captive lynxes have a higher risk of exposure to Hepatitis E Virus than animals in the wild. (eurekalert.org)
  • An incubation period refers to the time between exposure to a virus (or other pathogen) and the emergence of symptoms. (medicinenet.com)
  • The influenza A subtypes are further classified into strains, and the names of the virus strains include the place where the strain was first found and the year of discovery. (bcm.edu)
  • Sequence and genomic organization of Norwalk virus. (medscape.com)
  • Although traps alone would probably not be enough to vanquish a virus as prolific and evasive as HIV, they could help reduce viral load enough to give a besieged immune system the chance to recover. (newscientist.com)
  • Unless a person is immune suppressed, they rarely have a culturable virus 7 to 8 days after onset of symptoms. (medscape.com)
  • Later, a trigger like stress, sunlight, or something else, may reactivate the virus and lead to new symptoms. (medicinenet.com)
  • Also, we know that rebound symptoms are not always infectious virus. (medscape.com)
  • Do they know theyre putting unnecessary stress on their own company mail servers to send out virus alerts to people who never sent them an e-mail? (eweek.com)
  • Sure, the reply-to-sender feature of anti-virus gateways might have made sense a few years ago when most viruses didnt aggressively spread themselves through e-mail using spoofed addresses. (eweek.com)
  • Assembly in 2019 would discuss a substantive agenda item on the destruction of variola virus stocks. (who.int)
  • Trump's comments on the virus known as 2019-nCoV, which has infected more than 42,000 people globally and claimed more than 1,000 lives , came during a White House business session with state governors. (aol.com)
  • In what seems like a plot straight out of a low-budget science-fiction film, scientists have revived a giant virus that was buried in Siberian ice for 30,000 years - and it is still infectious. (nature.com)
  • When those enzymes are blocked, the virus loses most of its infectivity, the scientists found. (sciencedaily.com)
  • This 'loving' virus is a very dangerous and destructive worm that uses a so-called love letter as a hook to get the user to open the file that contains the virus and affect the computer . (pandasecurity.com)
  • Apparently, a new computer virus has been engineered by a user of American Online that is unparalleled in it destructive capability. (bio.net)
  • NASA had 200 infected computers, Schwartau said, and the destructive virus had also been found in computers installed in Senate offices. (upi.com)
  • In order to reproduce, a virus must invade a host cell and hijack its DNA-replication machinery. (newscientist.com)
  • Viruses cannot reproduce without the assistance of a host. (medicinenet.com)
  • Virus Taxonomy: Classification and Nomenclature of Viruses. (springer.com)
  • Here's the scenario: Deforestation and intensive pig farming disturb the ecosystem of a group of Southeast Asian bats, causing a new virus to move from the bats to the pigs, then into the human population. (brandeis.edu)
  • He and his colleagues want to learn why, after thousands of years of circulating like common colds among bats, more viruses seem to be spilling over into people. (brandeis.edu)
  • The virus first appeared in 1976 in two simultaneous outbreaks, one in Sudan, and the other in Democratic Republic of Congo. (who.int)