Antiviral. Medical search. Frequent questions

Currently, the only approved antiviral treatment for the infection is remdesivir, which can shorten recovery time for some people hospitalized with COVID-19. (medicalnewstoday.com)

The information on this page should be considered as examples of background information for the current influenza season for clinical practice regarding the use of influenza antiviral medications. (cdc.gov)
Amantadine and rimantadine are antiviral drugs in a class of medications known as adamantanes that were once prescribed for influenza treatment or prophylaxis. (medscape.com)
There are prescription medications called "antiviral drugs" that can be used to treat flu illness. (cdc.gov)
Oral oseltamivir is recommended for treatment of pregnant women with flu because compared to other recommended antiviral medications, it has the most studies available to suggest that it is safe and beneficial during pregnancy. (cdc.gov)
The emergency use authorizations (EUAs) for the new oral antiviral medications molnupiravir and Paxlovid™ (nirmatrelvir/ritonavir) supplement current therapeutic efforts to decrease hospitalizations and prevent severe COVID-19 and death. (cdc.gov)
Subject matter experts will review when to prescribe antiviral medications including patient assessment, how to have a risk-benefit discussion to address patient questions or concerns, and how to prioritize patients if medications are in short supply. (cdc.gov)
These recommendations have been updated to provide additional guidance for obstetric health care providers in prescribing antiviral medications for treatment and prevention of influenza during the 2009-2010 season. (cdc.gov)
Treatment with antiviral medications is recommended for pregnant women or women who are up to 2 weeks postpartum (including following pregnancy loss) with suspected or confirmed influenza and can be taken during any trimester of pregnancy. (cdc.gov)
Oseltamivir and zanamivir are antiviral medications that are FDA approved for treatment of influenza . (cdc.gov)
Now, a new trial finds antiviral medications, when given soon after a child is diagnosed with type 1 diabetes, might help preserve those vital beta cells. (msdmanuals.com)
However, when it comes to prescribing antiviral medications for high-risk patients, there is definitely room for improvement. (medscape.com)
A recent study [ 1 ] showed that although high-risk patients with respiratory illness who sought care early were more likely to receive antiviral prescriptions, only 37% of high-risk patients with confirmed influenza were actually prescribed antiviral medications. (medscape.com)
Furthermore, this study highlights the need to further educate healthcare providers about the benefits of antiviral medications. (medscape.com)
The Centers for Disease Control and Prevention's (CDC's) recommendations for using influenza antiviral medications are based on data from randomized clinical trials as well as from observational studies of patients receiving treatment in medical practice. (medscape.com)
Three prescription antiviral medications are recommended for the treatment of influenza: oral oseltamivir, inhaled zanamivir, and intravenous peramivir. (medscape.com)
Antiviral dosage information for different age groups is available at CDC's Influenza Antiviral Medications: Summary for Clinicians . (medscape.com)

On December 23, 2021, the FDA granted Emergency Use Authorization to Merck for it's oral antiviral drug Molnupiravir (MD-4482) to treat COVID-19. (ca.gov)
In addition, we found that some therapeutic monoclonal antibodies (REGN10987 plus REGN10933, COV2-2196 plus COV2-2130, and S309) and antiviral drugs (molnupiravir, nirmatrelvir and S-217622) can restrict viral infection in the respiratory organs of BA.2-infected hamsters. (nature.com)
The pill, an antiviral drug called molnupiravir, was tested against a placebo in people at high risk of developing severe disease. (sciencenews.org)

Most antivirals target specific viruses, while a broad-spectrum antiviral is effective against a wide range of viruses. (wikipedia.org)
Compounds isolated from fruiting bodies and filtrates of various mushrooms have broad-spectrum antiviral activities, but successful production and availability of such compounds as frontline antiviral is a long way away. (wikipedia.org)
Other drugs being tested-such as the broad-spectrum antiviral remdesivir, developed by Gilead Sciences-could prove quite effective, some evidence suggests. (scientificamerican.com)

Moreover, the major difficulty in developing vaccines and antiviral drugs is due to viral variation. (wikipedia.org)
The recent emergence of SARS-CoV-2 Omicron (B.1.1.529 lineage) variants possessing numerous mutations has raised concerns of decreased effectiveness of current vaccines, therapeutic monoclonal antibodies and antiviral drugs for COVID-19 against these variants 1 , 2 . (nature.com)
The availability of SARS-CoV-2 vaccines and the first antiviral drugs at the end of 2020 led to a reduction in the number of infections and the severity of the disease. (pasteur.fr)
Unlike vaccines, which prime a person's immune system to fight a virus, antiviral drugs do the fighting after a person is already sick. (gao.gov)
In this scenario, the identification of new anti-SARS-CoV-2 vaccines eliciting adequate antiviral immunity in lungs would be of outmost relevance. (nature.com)
c) increasing access, affordability and effective deployment of vaccines, antiviral agents, diagnostics and other materials for pandemic preparedness and response. (who.int)

2023. https://www.unboundmedicine.com/washingtonmanual/view/Davis-Drug-Guide/50931/all/antivirals. (unboundmedicine.com)

These findings suggest that the replication and pathogenicity of BA.2 is similar to that of BA.1 in rodents and that several therapeutic monoclonal antibodies and antiviral compounds are effective against Omicron BA.2 variants. (nature.com)
Among the analysed compounds, only galangin and chrysin displayed some antiviral activity. (nih.gov)
Researchers in the UK and Spain have used a novel drug screening approach to identify compounds that could serve as effective antivirals against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) - the agent that causes coronavirus disease 2019 (COVID-19). (news-medical.net)
The research, funded by the Fondation de France , paves the way for the development and optimization of promising novel antiviral compounds. (pasteur.fr)
Gilead, which manufactures remdesivir, developed tenofovir and other antiviral drugs based on compounds De Clercq co-discovered. (scientificamerican.com)

For the first time in 20 years, we have a new antiviral drug to battle influenza A and B . It's different from other antivirals, such as oseltamivir. (medscape.com)
Antiviral agents available for influenza treatment and/or prevention include neuraminidase inhibitors (oseltamivir, peramivir, zanamivir) and the cap-dependent endonuclease inhibitor (baloxavir marboxil). (medscape.com)

What are the benefits of antiviral drugs? (cdc.gov)

Paxlovid combines a new antiviral drug named nirmatrelvir and an older one called ritonavir and is administered as three pills given twice a day for five days. (cnn.com)

Antiviral drugs are a class of medication used for treating viral infections. (wikipedia.org)
Antiviral drugs are one class of antimicrobials, a larger group which also includes antibiotic (also termed antibacterial), antifungal and antiparasitic drugs, or antiviral drugs based on monoclonal antibodies. (wikipedia.org)
Most of the antiviral drugs now available are designed to help deal with HIV, herpes viruses, the hepatitis B and C viruses, and influenza A and B viruses. (wikipedia.org)
The emergence of antivirals is the product of a greatly expanded knowledge of the genetic and molecular function of organisms, allowing biomedical researchers to understand the structure and function of viruses, major advances in the techniques for finding new drugs, and the pressure placed on the medical profession to deal with the human immunodeficiency virus (HIV), the cause of acquired immunodeficiency syndrome (AIDS). (wikipedia.org)
In addition, we evaluated the efficacy of therapeutic monoclonal antibodies and antiviral drugs for COVID-19 against BA.2 variants in vivo. (nature.com)
The team used a quantum-inspired device in combination with a more traditional fingerprinting method to search for drugs that are similar to remdesivir, the only antiviral against SARS-CoV-2 that is currently approved for human use. (news-medical.net)
The discovery could inspire new families of antiviral drugs against future emerging viral diseases. (pasteur.fr)
Antivirals are a category of drugs whose role is to interfere with the life cycle of certain viruses. (pasteur.fr)
Following a drug repurposing approach, we aimed to investigate and compare the antibacterial and antibiofilm activities of different classes of phosphate prodrugs (HepDirect, cycloSal, SATE and mix SATE) of antiviral and anticancer FDA-approved nucleoside drugs [zidovudine (AZT), floxouridine (FUDR) and gemcitabine (GEM)] against a variety of pathogenic Gram-positive and -negative bacteria. (nih.gov)
In the Next Pandemic Antiviral Drugs Could Be Key, But Are They Ready? (gao.gov)
Antiviral drugs could be available before a vaccine in a future pandemic. (gao.gov)
Today's WatchBlog post looks at our new report that assesses the role antiviral drugs could play in the next pandemic and the status of technologies for antiviral drug development. (gao.gov)
But FDA-approved antiviral drugs only exist for two of these seven families. (gao.gov)
For our report, we interviewed experts about why more antiviral drugs haven't been developed. (gao.gov)
Pandemic antivirals represent what economists call a "market failure"-prices do not reflect the benefit these drugs offer to society. (gao.gov)
What are antiviral drugs? (cdc.gov)
Influenza antiviral drugs are prescription medicines (pills, liquid, or an inhaled powder) that fight against flu in your body. (cdc.gov)
Antiviral drugs are not sold over-the-counter. (cdc.gov)
Antiviral drugs are different from antibiotics, which fight against bacterial infections. (cdc.gov)
If you get sick with flu, antiviral drugs are a treatment option. (cdc.gov)
Your doctor may prescribe antiviral drugs to treat your flu illness. (cdc.gov)
Antiviral drugs are not a substitute for getting a flu vaccine. (cdc.gov)
Antiviral drugs are a second line of defense to treat the flu if you get sick. (cdc.gov)
Antiviral drugs can lessen fever and other symptoms, and shorten the time you are sick by about one day. (cdc.gov)
What antiviral drugs are recommended this flu season? (cdc.gov)
What are the possible side effects of antiviral drugs? (cdc.gov)
Your health care provider can give you more information about these drugs or you can check the Food and Drug Administration (FDA) website f or specific information about antiviral drugs, including the manufacturer's package insert. (cdc.gov)
When should antiviral drugs be taken for treatment? (cdc.gov)
Studies show that flu antiviral drugs work best for treatment when they are started within two days of getting sick. (cdc.gov)
How long should antiviral drugs be taken? (cdc.gov)
Can children take antiviral drugs? (cdc.gov)
Can pregnant and breastfeeding women take antiviral drugs? (cdc.gov)
Some are antiviral drugs that are already used to narrowly target other viruses. (scientificamerican.com)
Timothy Patrick Sheahan, an assistant professor of epidemiology at the University of North Carolina Gillings School of Global Public Health, is among those in the U.S. working on antiviral drugs for COVID-19. (scientificamerican.com)
Most antiviral drugs are developed to be exquisitely sensitive and potent against one specific thing. (scientificamerican.com)
Existing antiviral drugs were also tried against SARS (severe acute respiratory syndrome), which was first identified in 2003, and MERS (Middle East respiratory syndrome), first reported in 2012. (scientificamerican.com)
Because antiviral agents taken prophylactically may prevent illness but not subclinical infection, some persons who take these drugs may still develop immune responses that will protect them when they are exposed to antigenically related viruses in later years. (cdc.gov)
Antiviral drugs could be "used alone, or as part of combination treatment regimens, to rescue insulin-producing beta cells at diagnosis of type 1 diabetes," said a team that presented their findings Tuesday at the annual meeting of the European Association for the Study of Diabetes, in Hamburg, Germany. (msdmanuals.com)
Clinical benefit is greatest when antiviral drugs are administered early. (medscape.com)

He took the five-day course of Pfizer's antiviral drug Paxlovid and soon tested negative for the virus, clearing him to leave isolation. (yahoo.com)
On Wednesday, the FDA authorized Pfizer's antiviral pill , Paxlovid, to treat Covid-19 , the first antiviral Covid-19 pill authorized in the US for ill people to take at home, before they get sick enough to be hospitalized. (cnn.com)

Antiviral agents may be prescribed as treatment to potentially shorten the duration and decrease the severity of influenza infection. (medscape.com)
Antivirals may also be prescribed for chemoprophylaxis to prevent/attenuate a potential influenza infection following contact with an infected individual or in vulnerable individuals during a community outbreak (eg, nursing homes). (medscape.com)
In order to determine the mode of antiviral action of propolis, the extracts were added at different times during the viral infection cycle. (nih.gov)
What is Paxlovid, the antiviral COVID treatment Biden took before his 'rebound' infection? (yahoo.com)
We propose that additional investigation into the role of ADCP in protective viral responses, the specific virus epitopes targeted by ADCP antibodies, and the types of phagocytes and Fc receptors involved in ADCP at sites of virus infection will provide insight into strategies to successfully leverage this important immune response for improved antiviral immunity through rational vaccine design. (frontiersin.org)
Our study investigates if antiviral therapy used to treat HCV infection also improves diabetes outcomes. (sciencedaily.com)
A new direct acting antiviral (DAA) combination for hepatitis c virus (HCV) infection is more effective than sofosbuvir and peg-interferon plus ribavirin, according to a recent study. (pharmacytimes.com)
13 June 2018 - In its continued efforts to respond to any possible outbreak and the laboratory diagnosis of measles infection, WHO has provided support to the Libyan Ministry of Health with antiviral medication (Tamiflu) that blocks the actions of influenza virus types A and B in the body. (who.int)

On December 22, 2021 the U.S. Food and Drug Administration (FDA) granted Emergency Use Authorization (EUA) to Pfizer for its oral antiviral drug Paxlovid to treat COVID-19. (ca.gov)
LONDON - Britain has granted conditional authorization to Merck's coronavirus antiviral, the first pill shown to successfully treat COVID-19. (ktvu.com)

According to the FDA , Paxlovid is an antiviral medication used to treat mild to moderate COVID-19 in adults and children ages 12 and older who weigh at least 88 pounds. (yahoo.com)
A doctor holds up a package of the antiviral drug Paxlovid, which President Biden took for treatment after testing positive for COVID-19 last month. (yahoo.com)

Because coronaviruses use RNA-dependent enzymes, an antiviral such as remdesivir has a good chance of working against them, De Clercq notes. (scientificamerican.com)
Jay, Remdesivir is one of the class of antivirals that pretend to be a building block for the RNA or DNA sequence. (veteranstoday.com)

Health Canada approved its first coronavirus antiviral medication Monday, adding a "new tool in the toolkit against COVID-19," said Canada's chief medical advisor. (turkishpress.com)

Some antiviral and antineoplastic agents and other pharmaceutical agents : views and expert opinions of an IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, Lyon, 12-19 October 1999. (who.int)

The significant resource implications when considering antiviral prophylaxis, including the costs of health staff and medication, further support the need for a strong evidence base for prophylactic antiviral use. (who.int)

Viromune is an Ayurvedic formulation consisting of 17 potent herbs and their properties range from antiviral to natural immunity boosting, along with a well balanced blend of essential vitamins and minerals, Kunnath Pharmaceuticals said. (indiatimes.com)
Herbal products maker Kunnath Pharmaceuticals on Thursday said it has launched antiviral immunity booster capsules under the brand name ' Viromune ' across the country and is looking to achieve a turnover of Rs 2,000 crore in the next three years. (indiatimes.com)

To determine the impact of antiviral prophylaxis recommendations in practice, influenza outbreak data were compared for facilities in which antiviral prophylaxis and treatment were recommended and for those in which antivirals were recommended for treatment only. (who.int)
Routinely collected outbreak data were extracted from the Notifiable Conditions Information Management System for two Local Health Districts where antiviral prophylaxis was routinely recommended and one Local Health District where antivirals were recommended for treatment but not routinely for prophylaxis. (who.int)
The prophylaxis group had significantly higher cases with influenza-like illness ( P = 0.03) and cases recommended antiviral treatment per facility ( P = 0.01). (who.int)
4 In contrast, antiviral treatment and prophylaxis are routinely recommended for ACF influenza outbreaks in Canada 5 and the United States of America 6 based mainly on the findings of observational studies 7-11 and a randomized controlled trial (RCT) of seasonal prophylaxis. (who.int)

Based on these findings, the researchers concluded that the naturally occurring flavonoid, luteolin, is a potent antiviral against the influenza virus . (naturalnews.com)
These Fc receptor-dependent antibody functions provide a direct link between the innate and adaptive immune systems by combining the potent antiviral activity of innate effector cells with the diversity and specificity of the adaptive humoral response. (frontiersin.org)

The ACIP also publishes recommendations on the use of antiviral agents for prevention and treatment of influenza . (medscape.com)

There is a great need for effective antivirals against SARS-CoV-2 in the ongoing COVID-19 pandemic. (medicalnewstoday.com)

Researchers reveal that antiviral therapy for hepatitis C virus (HCV) improves kidney and cardiovascular outcomes for patients with diabetes. (sciencedaily.com)

Therefore, amantadine and rimantadine are not recommended for antiviral treatment or chemoprophylaxis of currently circulating influenza A viruses. (medscape.com)

citation needed] The first experimental antivirals were developed in the 1960s, mostly to deal with herpes viruses, and were found using traditional trial-and-error drug discovery methods. (wikipedia.org)
Researchers working on such "rational drug design" strategies for developing antivirals have tried to attack viruses at every stage of their life cycles. (wikipedia.org)
A national strategy could assess the public health and economic impact of viruses most likely to cause a pandemic, then develop a portfolio of antiviral drug candidates to target those viruses. (gao.gov)
The two antiviral agents with specific activity against influenza A viruses are amantadine hydrochloride and rimantadine hydrochloride. (cdc.gov)

When used as treatment, initiation of antiviral agents should not be delayed and ideally should be started within 48 hours of the onset of symptoms. (medscape.com)
Selected patients may benefit from the use of antiviral agents. (medscape.com)
Antiviral drug resistance is one of the most common problems in medicine, and, therefore, finding new antiviral agents, especially from natural resources, seems to be necessary. (greenmedinfo.com)
These recommendations provide information about two antiviral agents: amantadine hydrochloride and rimantadine hydrochloride. (cdc.gov)

An antiviral pill that reduces symptoms and speeds recovery could prove groundbreaking, easing caseloads on hospitals and helping to curb outbreaks in poorer countries with fragile health systems. (ktvu.com)
This is the second Covid-19 antiviral pill authorized for ill people to take at home, before they get sick enough to be hospitalized. (cnn.com)
There was (and still is) only one antiviral in pill form for use against the virus. (gao.gov)

Stephen Harrod Buhner is the author of Herbal Antivirals, Herbal Antibiotics , and 17 other works. (hachettebookgroup.com)

The research was performed as an in vitro study in which the antiviral activity of different concentrations of three substances including curcumin, Gallium-curcumin and Cu-curcumin were tested on HSV-1. (greenmedinfo.com)

For people at high risk of serious flu complications, treatment with an antiviral drug can mean the difference between having a milder illness versus a very serious illness that could result in a hospital stay. (cdc.gov)
For adults hospitalized with flu illness, some studies have reported that early antiviral treatment can reduce the risk of death. (cdc.gov)
However, some studies of hospitalized patients with seasonal and 2009 H1N1 influenza have suggested benefit of antiviral treatment even when treatment was started more than 48 hours after illness onset. (cdc.gov)
When indicated, antiviral treatment should be started as soon as possible after illness begins, ideally within 48 hours of symptom onset for all high-risk, hospitalized, or severely ill patients. (medscape.com)
However, antiviral treatment might still provide some benefit in hospitalized patients even when begun after 48 hours of illness onset. (medscape.com)
Clinicians also can consider antiviral treatment on the basis of clinical judgment for previously healthy outpatients with confirmed or suspected influenza, even if they are not considered high risk , if treatment can be initiated within 48 hours of illness onset. (medscape.com)
Antiviral therapy should be initiated as early as possible in hospitalized patients with suspected or confirmed influenza, preferably within the first 48 hours of illness. (medscape.com)
However antiviral therapy may still improve outcomes in hospitalized patients even if started after the initial 48 hours of illness. (medscape.com)
Depending on the severity of illness, hospitalized patients may require more than 5 days of antiviral therapy. (medscape.com)
Treatment for COVID-19 , the illness due to SARS-CoV-2, may involve additional antiviral medicines. (medlineplus.gov)

Antiviral treatment works best when started within two days of getting symptoms. (cdc.gov)
Clinical judgment, based on the patient's disease severity and progression, age, underlying medical conditions, likelihood of influenza, and time since onset of symptoms, is important when making antiviral treatment decisions. (medscape.com)

Results show that incidences of kidney disease, stroke, and heart attack were lower in patients treated with pegylated interferon and ribavirin compared to HCV patients not treated with antivirals or diabetic patients not infected with the virus. (sciencedaily.com)
Results of the study published in Hepatology, a journal of the American Association for the Study of Liver Diseases, show that incidents of kidney disease, stroke, and heart attack were lower in patients treated with pegylated interferon and ribavirin compared to HCV patients not treated with antivirals or diabetic patients not infected with the virus. (sciencedaily.com)
But these issues are mitigated by HCV antiviral therapy, specifically pegylated interferon plus ribavirin, which was found to reduce risks of kidney disease, stroke and cardiovascular diseases in diabetic patients," concludes Dr. Wu. (sciencedaily.com)

Cite this: Baloxavir--The New, Single Oral-Dose Antiviral for Influenza - Medscape - Nov 29, 2018. (medscape.com)
In experiments conducted with The Institute for Antiviral Research at Utah State University , a BSL3+ laboratory, the proprietary Halodine ® nasal and oral antiseptic preparations were proven to rapidly inactivate SARS-CoV-2. (prnewswire.com)
The regulator, as well as the experts helping us with the guidance and the supply, are all coming together at once and I think Canadians should be very happy today to hear that oral antivirals are beginning to become available in Canada," Tam said. (turkishpress.com)

[ 2 ] Early antiviral therapy must be considered among hospitalized children diagnosed with or suspected to have influenza, especially if they have risk factors such as asthma, cardiac problems, or other conditions, to prevent severe complications and prolonged hospitalization. (medscape.com)
However, the available risk-benefit data indicate pregnant women with suspected or confirmed influenza should receive prompt antiviral therapy. (cdc.gov)

As there was a relatively poor match between the circulating and the seasonal influenza vaccine strain in that year, 2 an effective antiviral intervention would have been particularly valuable for influenza outbreak control. (who.int)

Antiviral treatments that can be taken at home to keep people with COVID-19 out of the hospital are critically needed," Wendy Holman, chief executive officer of Ridgeback Biotherapeutics said in the news release. (sciencenews.org)
Several previous studies have also shown positive effects of antiviral treatments in patients with chronic fatigue. (bipolarnews.org)

How could antivirals combat the next pandemic? (gao.gov)
So why weren't antivirals used during the COVID-19 pandemic? (gao.gov)
That delay in developing an antiviral likely also cost many peoples' lives, and it could happen again in the next pandemic. (gao.gov)
Antivirals for a potential pandemic would be developed based on an educated guess on the cause of that pandemic. (gao.gov)
Put another way, it's too risky for drug companies to invest in antivirals because those investments would only benefit people (and pay off for the companies) if there's another pandemic, which we all hope would be decades from now at the earliest. (gao.gov)
Even if the nation takes all these steps, there is no guarantee they will produce antivirals that will blunt the next pandemic. (gao.gov)
In our new report , we go in depth on these three policy options, on opportunities to bolster antiviral drug development to combat the next pandemic, and on some of the risks of not doing so. (gao.gov)

The more traditional Tanimoto model also predicted different forms of vitamin B12 as potential antiviral candidates. (news-medical.net)
These candidates include HIV antivirals called protease inhibitors, which work by blocking enzymes the virus needs to replicate, and a malaria drug called chloroquine, which is not an antiviral but has shown some efficacy against COVID-19 in a lab dish. (scientificamerican.com)

However, further high quality evidence is needed to guide the use of antivirals in responding to influenza outbreaks in aged care facilities. (who.int)
There is inconsistent international guidance on the role of antivirals during influenza outbreaks in ACFs, and practice varies both in Australia and internationally. (who.int)

citation needed] This was a very time-consuming, hit-or-miss procedure, and in the absence of a good knowledge of how the target virus worked, it was not efficient in discovering effective antivirals which had few side effects. (wikipedia.org)
A single government entity could lead and coordinate efforts to develop antivirals, helping to ensure a more effective allocation of money and expertise. (gao.gov)
The mistake generally made these days is to think that [just] any antiviral would be effective against [the coronavirus]. (scientificamerican.com)

Dates of onset, notification, influenza confirmation and antiviral recommendations were also collected for analysis. (who.int)

The children were randomly selected to receive either the two antiviral medicines or a placebo for six months. (msdmanuals.com)

Anatomy19

Organisms60

Diseases34

Chemicals and Drugs87

Analytical, Diagnostic and Therapeutic Techniques and Equipment15

Phenomena and Processes40

Disciplines and Occupations1

Technology, Industry, Agriculture1

Information Science3

Health Care4

Approved antiviral treatment1

Medications16

Molnupiravir3

Broad-spectrum antiviral3

Vaccines6

20231

Compounds5

Oseltamivir2

Benefits of antiviral1

Nirmatrelvir1

Drugs39

Pfizer's2

Infection8

Treat COVID-192

Paxlovid2

Remdesivir2

Coronavirus antiviral1

Antineoplastic Agents1

Medication1

Immunity2

Prophylaxis4

Potent2

Treatment of influenza1

Ongoing COVID-191

Hepatitis C vir1

Chemoprophylaxis1

Viruses4

Agents4

Pill3

Antibiotics1

Vitro study1

Illness10

Symptoms2

Interferon3

Oral3

Therapy2

Vaccine1

Treatments2

Pandemic7

Candidates2

Outbreaks2

Effective3

Onset1

Medicines1