Antiviral drugs can help your body fight off viruses like COVID-19. Learn more about forms of antivirals approved for COVID-19 treatment. n engl j med 384;6 nejm.org February 11, 2021 499 Repurposed Antiviral Drugs for Covid-19 no trial lopinavir while they were unable to swal-low. The regimen for interferon (mainly subcuta-Jul 28, 2022 · The antiviral medication Paxlovid has proven to be effective in preventing serious illnesses from COVID-19. Right now, only people with certain medical conditions can be prescribed the drug. † Lagevrio and Paxlovid are oral antiviral therapies indicated for the treatment of patients with mild to moderate COVID-19 who have received positive results of direct SARS-CoV-2 viral testing and are at high risk for progression to severe COVID-19. Lagevrio is indicated for the treatment of adults aged ≥18 years for whom alternative COVID ...Wear a Mask mask. If you become infected with COVID-19, there are treatment options that may help reduce how sick you become. The U.S. Food and Drug Administration has authorized and approved treatments that have already been taken by millions of people, reducing their risk of severe COVID-19 symptoms and keeping many of them out of the hospital.From these results, it is evident that the use of these drugs for COVID-19 requires further investigation. An alternative treatment for COVID-19 is the utilization of convalescent plasma (CP) (Chen L. et al., 2020). This treatment refers to plasma therapy based on plasma or plasma derivatives, obtained from donors who were previously infected ...Nov 25, 2021 · The quest for effective drugs to treat COVID-19 has been a priority since the outbreak of the disease. The clinical application of remdesivir has been greatly restricted by the need for intravenous administration, as well as unstable concentrations in plasma and variable antiviral activity in different organelles.1 Four neutralising antibodies (bamlanivimab, etesevimab, casirivimab, and ... Nov 30, 2021 · Molnupiravir, an antiviral drug to treat mild to moderate COVID-19, is under consideration by the FDA for possible authorization. Merck. A Food and Drug Administration advisory committee voted ... Antiviral medications can help your immune system fight back by helping stop the virus from multiplying your body. This lowers the amount of virus in your body with the goal of you having less severe symptoms and recovering more quickly. Antiviral therapy is not a cure for COVID-19.Griffin says that the development of direct acting drugs was hampered by the initial response to covid-19, which focused on repurposing existing drugs since that was a faster route. “Back in 2020, we had to try and find any antiviral that worked against this virus—that’s why remdesivir and molnupiravir was used, as they had been tried ...Drugs that combat viral infections are called antiviral drugs. There are no effective antiviral drugs for many viral infections. However, there are several drugs for influenza, a couple of drugs for herpesviruses, and some new antiviral drugs for treatment of HIV and hepatitis C infections. The arsenal of antivirals is complex.Recommendations for the use of antiviral agents to treat COVID-19 Remdesivir Information on the use of intravenous remdesivir as treatment for COVID-19 Ritonavir-Boosted Nirmatrelvir (Paxlovid) Drug interactions and other considerations for the use of ritonavir-boosted nirmatrelvir (Paxlovid) MolnupiravirThe NHS is offering new antibody and antiviral treatments to people with coronavirus (COVID-19) who are at highest risk of becoming seriously ill. See treatments for coronavirus for further ...Sep 12, 2021 · In a way, COVID-19 is a disease of two stages, says Raymond Schinazi, who develops antiviral drugs at Emory University. During the first stage of the disease, the virus makes copies of itself in ... Antivirals. Antiviral medications help the body fight off harmful viruses. The drugs can ease symptoms and shorten the length of a viral infection. Antivirals also lower the risk of getting or spreading viruses that cause herpes and HIV. One approved antiviral treats the coronavirus that causes COVID-19.The treatments available for people at the highest risk of becoming seriously ill from COVID-19 are: Nirmatrelvir plus ritonavir, remdesivir and molnupiravir are antiviral medicines. Sotrovimab is known as a neutralising monoclonal antibody (nMAb). Sotrovimab is recommended if nirmatrelvir plus ritonavir (Paxlovid) is not suitable. Jul 14, 2023 · developing a COVID-19 plan if you test positive to COVID-19. Learn more about oral antiviral treatments for COVID-19. Older Australians and First Nations people. If you test positive for COVID-19, you may be eligible for antiviral treatments if you are: 70 years of age or older, regardless of risk factors and with or without symptoms. Historically, antiviral therapy has been available only for a limited number of infections, including those caused by HIV, herpes, hepatitis B and C, and influenza A and B. Drug companies and researchers investigated new and existing antivirals for potential use in treating COVID-19, and some candidates have proven effective in clinical trials.Date Update Type Topic ; 5/25/2023: FDA Approves First Oral Antiviral for Treatment of COVID-19 in Adults. Today, the U.S. Food and Drug Administration approved the oral antiviral Paxlovid ...The U.S. Food and Drug Administration (FDA) has issued an Emergency Use Authorization (EUA) for the emergency use of the unapproved product PAXLOVID for the treatment of mild-to-moderate coronavirus disease 2019 (COVID-19) in adults and pediatric patients (12 years of age and older weighing at least 40 kg) with positive results of direct severe ...The NHS is offering new antibody and antiviral treatments to people with coronavirus (COVID-19) who are at highest risk of becoming seriously ill. See treatments for coronavirus for further ...Aug 25, 2023 · Antivirals are medicines that help stop a virus infecting healthy cells or multiplying in the body. There are antivirals available that work against COVID-19 and they work best when taken as soon as possible. COVID-19 antivirals do not work against other viruses like the flu. There are different antivirals for the flu. Aug 22, 2023 · The Panel reviews the most recent clinical data to develop treatment recommendations for clinicians who are caring for patients with COVID-19. Antivirals, Including Antibody Products These sections summarize data on the use of antiviral agents for the treatment of COVID-19. Antivirals are medicines that help stop a virus infecting healthy cells or multiplying in the body. There are antivirals available that work against COVID-19 and they work best when taken as soon as possible. COVID-19 antivirals do not work against other viruses like the flu. There are different antivirals for the flu.In a way, COVID-19 is a disease of two stages, says Raymond Schinazi, who develops antiviral drugs at Emory University. During the first stage of the disease, the virus makes copies of itself in ...Influenza and COVID-19. The worldwide pandemic of the disease called COVID-19 has changed the way people look at “flu-like” symptoms. COVID-19 is caused by a different virus, not an influenza ...If you have a Medicare card, and are eligible, the Pharmaceutical Benefits Scheme PBS subsidises the cost of oral antiviral COVID-19 medication. From 1 January 2023 the maximum that a pharmacy can charge per oral medication is: $7.30 for concession cardholders. State and territory hospitals can provide the oral antivirals if you are advised to ...Dec 31, 2021 · Two highly anticipated COVID-19 pills have been authorized for emergency use and allocated for shipment to states, but the supply is tight, and the rollout varies from state to state.. Pfizer's ... Date Update Type Topic ; 5/25/2023: FDA Approves First Oral Antiviral for Treatment of COVID-19 in Adults. Today, the U.S. Food and Drug Administration approved the oral antiviral Paxlovid ...Apr 14, 2021 · Molnupiravir is an easier-to-synthesize, oral drug option that has been found to shorten the duration of infectiousness among people with symptomatic COVID-19. Late-stage clinical testing is under ... The most plentiful is the antiviral drug remdesivir, sold by Gilead Sciences under the brand name Veklury.First approved by the FDA in 2020 for COVID-19 patients requiring hospitalization, Gilead ...Veklury is a COVID-19 treatment given intravenously (by IV or drip). Like oral antivirals, Veklury helps stop the virus that causes COVID-19 from making copies of itself in your body. WHO is eligible to receive Veklury? Adults 18 and over; Children who are 28 days of age or older and weigh at least 7 pounds (3 kg) AND who:The antiviral drug remdesivir, for example, is a polymerase inhibitor that works similarly to molnupiravir, and it has been shown to be effective against Covid-19, but it can be administered only ...Antiviral drugs can help your body fight off viruses like COVID-19. Learn more about forms of antivirals approved for COVID-19 treatment. Jul 21, 2023 · Remdesivir has demonstrated in vitro and in vivo activity against SARS-CoV-2. 1. Intravenous remdesivir is approved by the Food and Drug Administration (FDA) for the treatment of COVID-19 in adults and pediatric patients aged ≥28 days and weighing ≥3 kg. In nonhospitalized patients with mild to moderate COVID-19 who are at high risk of ... The treatments available for people at the highest risk of becoming seriously ill from COVID-19 are: Nirmatrelvir plus ritonavir, remdesivir and molnupiravir are antiviral medicines. Sotrovimab is known as a neutralising monoclonal antibody (nMAb). Sotrovimab is recommended if nirmatrelvir plus ritonavir (Paxlovid) is not suitable.A separate analysis of PCORnet network outpatient COVID-19 treatment data from January–July 2022 found significant disparities in receipt of COVID-19 treatment by racial and ethnic groups. 21 During April–July 2022, when Paxlovid use was highest, among COVID-19 patients aged ≥20 years, Black patients were prescribed Paxlovid 36% less ...Two new oral antiviral medications are available for treatment of COVID-19. Two new antiviral medications, ritonavir-boosted nirmatrelvir (Paxlovid, ie, nirmatrelvir-ritonavir) and molnupiravir (Lagevrio), are currently available in the US under emergency use authorization. These 2 drugs are authorized for treatment of patients with mild to ...Ibuprofen, which is also known by the brand names Advil and Motrin, is a non-steroidal anti-inflammatory drug (NSAID). These types of medications can help lower your fever and minimize muscle aches from COVID-19, while also reducing some inflammation in your body. Ibuprofen doesn’t treat the virus itself, but it can make you feel a lot better.Mar 6, 2023 · Ivermectin is a Food and Drug Administration (FDA)-approved antiparasitic drug used to treat several neglected tropical diseases, including onchocerciasis, helminthiases, and scabies. 1 For these indications, ivermectin has been widely used and is generally well tolerated. 1,2 Ivermectin is not approved by the FDA for the treatment of any viral infection. Results. At 405 hospitals in 30 countries, 11,330 adults underwent randomization; 2750 were assigned to receive remdesivir, 954 to hydroxychloroquine, 1411 to lopinavir (without interferon), 2063 ...These sections summarize the data on antiviral agents, including remdesivir, ritonavir-boosted nirmatrelvir, and anti-SARS-CoV-2 monoclonal antibodies. Antivirals, Including Antibody Products | COVID-19 Treatment Guidelines Ibuprofen, which is also known by the brand names Advil and Motrin, is a non-steroidal anti-inflammatory drug (NSAID). These types of medications can help lower your fever and minimize muscle aches from COVID-19, while also reducing some inflammation in your body. Ibuprofen doesn’t treat the virus itself, but it can make you feel a lot better.Dec 16, 2021 · Abstract Background New treatments are needed to reduce the risk of progression of coronavirus disease 2019 (Covid-19). Molnupiravir is an oral, small-molecule antiviral prodrug that is active agai... Estimates of COVID-19 deaths in the U.S. show that people from racial and ethnic minority groups are dying from COVID-19 disproportionately, and studies have identified racial and ethnic differences in at-home COVID-19 test use, vaccination coverage, and access to outpatient therapeutics. 14-16 Data has shown that compared to non-Hispanic White ...Feb 28, 2022 · Collection of documents relating to COVID-19 treatments. The NHS is offering new antibody and antiviral treatments to people with coronavirus (COVID-19) who are at highest risk of becoming ... Pfizer Covid pills may be risky with other medications. Dec. 26, 202106:39. In its fact sheet about Paxlovid, the FDA has published a detailed list of medications that may interact harmfully with ...On Sept. 27, Pfizer said that it was launching a late-phase clinical trial to test whether, in combination with another drug, its oral COVID-19 antiviral can prevent infection with the coronavirus ...Who can and cannot take it. How and when to take it. Side effects. Pregnancy, breastfeeding and fertility. Taking Paxlovid with other medicines and herbal supplements.COVID-19. Pfizer. 3C-like protease inhibitor (Nirmatrelvir) / inhibition of metabolism of nirmatrelvir (ritonavir) Nevirapine. HIV. non- nucleoside reverse transcriptase inhibitor. Nitazoxanide. Broad-spectrum antiviral.COVID-19. Pfizer. 3C-like protease inhibitor (Nirmatrelvir) / inhibition of metabolism of nirmatrelvir (ritonavir) Nevirapine. HIV. non- nucleoside reverse transcriptase inhibitor. Nitazoxanide. Broad-spectrum antiviral. The US Food and Drug Administration hasn't listed oseltamivir in its drug shortage database, but the agency did acknowledge "localized shortages" of the drug on Dec 5. Drug restocking date uncertain Antiviral therapy is an important adjunct to vaccination in the prevention and control of the flu and can reduce the duration of flu symptoms and ...† Lagevrio and Paxlovid are oral antiviral therapies indicated for the treatment of patients with mild to moderate COVID-19 who have received positive results of direct SARS-CoV-2 viral testing and are at high risk for progression to severe COVID-19. Lagevrio is indicated for the treatment of adults aged ≥18 years for whom alternative COVID ...In February 2020, China approved the use of the antiviral drug favilavir to treat symptoms of COVID-19. The drug was initially developed to treat inflammation in the nose and throat.Pfizer and Merck Covid-19 antiviral pills receive FDA emergency use authorization. ... Pfizer's pill is the first oral antiviral drug authorized by the FDA that is specifically designed to fight ...May 26, 2023 · There is strong scientific evidence that antiviral treatment of outpatients at risk for severe COVID-19 reduces their risk of hospitalization and death.; The antiviral drugs nirmatrelvir with ritonavir (Paxlovid) and remdesivir (Veklury) are the preferred treatments for eligible adult and pediatric patients who are at high risk for progression to severe COVID-19. Mar 24, 2021 · An international team of researchers has found that three commonly used antiviral and antimalarial drugs are effective in vitro at preventing replication of SARS-CoV-2, the virus that causes COVID-19. The work also underscores the necessity of testing compounds against multiple cell lines to rule out false negative results. Mar 16, 2021 · Antiviral drugs and COVID-19 The worldwide outbreak of COVID-19 virus infection is associated with the unavailability of specific drug(s) to combat with this viral infection. To date, nearly 10 million people are infected and about 500,000 people die worldwide due to COVID-19 viral infection. Mar 30, 2022 · Ivermectin for Early Covid-19 Multiple medications in common use have been considered for the treatment of Covid-19. In this double-blind, randomized, placebo-controlled trial, ivermectin that was ... Mar 1, 2022 · A lab technician works on the production of molnupiravir, an oral antiviral drug that some countries have authorized for use against COVID-19. Credit: Amr Abdallah Dalsh/Reuters/Alamy Types of EUA-authorized Products CDER’s EUA page lists all therapeutic products currently authorized under an EUA, as well as the current product Fact Sheets and additional information for health...Dec 16, 2021 · Abstract Background New treatments are needed to reduce the risk of progression of coronavirus disease 2019 (Covid-19). Molnupiravir is an oral, small-molecule antiviral prodrug that is active agai... Recommendations for the use of antiviral agents to treat COVID-19 Remdesivir Information on the use of intravenous remdesivir as treatment for COVID-19 Ritonavir-Boosted Nirmatrelvir (Paxlovid) Drug interactions and other considerations for the use of ritonavir-boosted nirmatrelvir (Paxlovid) MolnupiravirPaxlovid (nirmatrelvir / ritonavir; co-packaged) - approved as an oral antiviral treatment for certain adults. It is used for the treatment of mild to moderate COVID-19 in adults who are at high risk for progression to severe COVID-19, including hospitalization or death. Paxlovid is not approved for use as pre-exposure or post-exposure ...Oct 15, 2021 · On Sept. 27, Pfizer said that it was launching a late-phase clinical trial to test whether, in combination with another drug, its oral COVID-19 antiviral can prevent infection with the coronavirus ... If you have a Medicare card, and are eligible, the Pharmaceutical Benefits Scheme PBS subsidises the cost of oral antiviral COVID-19 medication. From 1 January 2023 the maximum that a pharmacy can charge per oral medication is: $7.30 for concession cardholders. State and territory hospitals can provide the oral antivirals if you are advised to ...May 9, 2023 · COVID-19 therapeutics can be used to prevent or treat eligible non-hospitalized patients who have mild to moderate COVID-19 symptoms. Prevention and early treatment for eligible patients can help improve patient outcomes, reduce stress on healthcare facilities, and even save lives. At this time, Veklury (remdesivir) and Paxlovid (nirmatrelvir ... The antiviral that doctors prefer to use to treat certain cases of COVID-19 is a pill called nirmatrelvir-ritonavir ( Paxlovid ). While Paxloid has only received emergency use authorization...The Swiss company Molecular Partners has developed an antiviral drug for Covid-19, called ensovibep. The drug is a custom-made protein, made up of three sections that can each grab onto a ...Many medications are available to treat COVID-19, including oral treatments like Paxlovid (nirmatrelvir / ritonavir) and Lagevrio (molnupiravir). In late May 2023, the FDA fully approved Paxlovid for COVID-19. It’s the first oral antiviral that is approved to treat the condition. It was previously only available for emergency use. Feb 4, 2023 · The antiviral Paxlovid has changed the battle against COVID-19. It's so effective that more than 85% of people at risk for severe disease can avoid a bad outcome with a five-day course of the ... Oral antiviral treatment works by targeting specific proteins on the SARS-CoV-2 virus to prevent efficient virus replication within the host cell. Paxlovid and molnupiravir reduce the risk of hospitalization and death by 88% and 30% respectively, in patients at high-risk for severe COVID-19 when started early after symptom onset. There are two antiviral medications that have been issued Emergency Use Authorization (EUA) by the U.S. FDA: Pfizer’s Paxlovid and Merck’s molnupiravir. Both treatments are in limited supply, and a prescription does not guarantee the medication will be available. Treatment should be initiated as soon as possible after diagnosis of COVID-19 ...n engl j med 384;6 nejm.org February 11, 2021 499 Repurposed Antiviral Drugs for Covid-19 no trial lopinavir while they were unable to swal-low. The regimen for interferon (mainly subcuta-Aug 15, 2023 · COVID-19 antiviral medicines are available to treat eligible people with COVID-19 at home. You must start taking COVID-19 medicines within the first 5 days of becoming unwell with COVID-19. When taken early in your COVID-19 illness, antivirals can help you stay out of hospital. These medicines are free for eligible people within 5 days of their ... 1. How does Paxlovid work? Paxlovid is an antiviral therapy that consists of two separate medications packaged together. When you take your three-pill dose, two of those pills will be nirmatrelvir, which inhibits a key enzyme that the COVID virus requires in order to make functional virus particles.May 26, 2023 · To access the Letters of Authorization and Fact Sheets for Healthcare Providers and Patients, Parents, and Caregivers for EUAs for drug and biological products during the COVID-19 pandemic, see ... Aug 22, 2023 · The Panel reviews the most recent clinical data to develop treatment recommendations for clinicians who are caring for patients with COVID-19. Antivirals, Including Antibody Products These sections summarize data on the use of antiviral agents for the treatment of COVID-19. President Trump's COVID-19 Treatment Includes These Drugs. October 05, 2020 6:13 PM. Steve Baragona. FILE - Vials of the drug remdesivir are seen at a hospital in Germany, April 8, 2020. The list ...The antiviral treatment remdesivir, sold under the brand name Veklury, was the first COVID-19 therapy to get full FDA approval, and, so far, it's still the only one. Although originally used in COVID-19 patients only after they were hospitalized, new data suggests it can be helpful in outpatients who become infected and who are at high risk for ...Dec 22, 2021 · The U.S. Food and Drug Administration (FDA) has issued an Emergency Use Authorization (EUA) for the emergency use of the unapproved product PAXLOVID for the treatment of mild-to-moderate coronavirus disease 2019 (COVID-19) in adults and pediatric patients (12 years of age and older weighing at least 40 kg) with positive results of direct severe ... Antiviral medications can help your immune system fight back by helping stop the virus from multiplying your body. This lowers the amount of virus in your body with the goal of you having less severe symptoms and recovering more quickly. Antiviral therapy is not a cure for COVID-19.Dec 16, 2021 · Abstract Background New treatments are needed to reduce the risk of progression of coronavirus disease 2019 (Covid-19). Molnupiravir is an oral, small-molecule antiviral prodrug that is active agai... 19 Apr 2022 06:56PM (Updated: 19 Apr 2022 07:32PM) SINGAPORE: The antiviral drug molnupravir will be the second oral medicine approved in Singapore for the treatment of adult COVID-19 patients ...Paxlovid and molnupiravir, the COVID antiviral treatments, may be hard to find : Shots - Health News Paxlovid and molnupiravir have been authorized for emergency use to keep COVID-19 patients out ...Aug 25, 2023 · Antivirals are medicines that help stop a virus infecting healthy cells or multiplying in the body. There are antivirals available that work against COVID-19 and they work best when taken as soon as possible. COVID-19 antivirals do not work against other viruses like the flu. There are different antivirals for the flu. Dec 31, 2021 · Two highly anticipated COVID-19 pills have been authorized for emergency use and allocated for shipment to states, but the supply is tight, and the rollout varies from state to state.. Pfizer's ... Wear a Mask mask. If you become infected with COVID-19, there are treatment options that may help reduce how sick you become. The U.S. Food and Drug Administration has authorized and approved treatments that have already been taken by millions of people, reducing their risk of severe COVID-19 symptoms and keeping many of them out of the hospital.
Jul 28, 2022 · The antiviral medication Paxlovid has proven to be effective in preventing serious illnesses from COVID-19. Right now, only people with certain medical conditions can be prescribed the drug. . Min208f91406d8 7b94 4a24 837c 379011faff1d.jpeg
The antiviral drug remdesivir, for example, is a polymerase inhibitor that works similarly to molnupiravir, and it has been shown to be effective against Covid-19, but it can be administered only ...Antiviral drugs are a class of medication used for treating viral infections. [1] Most antivirals target specific viruses, while a broad-spectrum antiviral is effective against a wide range of viruses. [2] Antiviral drugs are one class of antimicrobials, a larger group which also includes antibiotic (also termed antibacterial), antifungal and ... Mar 16, 2021 · Antiviral drugs and COVID-19 The worldwide outbreak of COVID-19 virus infection is associated with the unavailability of specific drug(s) to combat with this viral infection. To date, nearly 10 million people are infected and about 500,000 people die worldwide due to COVID-19 viral infection. Reading time: 1 min (365 words) WHO has recommended two new drugs for COVID-19, providing yet more options for treating the disease. The extent to which these medicines will save lives depends on how widely available and affordable they will be. The first drug, baricitinib, is strongly recommended for patients with severe or critical COVID-19.Ivermectin is a Food and Drug Administration (FDA)-approved antiparasitic drug used to treat several neglected tropical diseases, including onchocerciasis, helminthiases, and scabies. 1 For these indications, ivermectin has been widely used and is generally well tolerated. 1,2 Ivermectin is not approved by the FDA for the treatment of any viral infection.Ivermectin for Early Covid-19 Multiple medications in common use have been considered for the treatment of Covid-19. ... scabies). 3 The in vitro antiviral activity of ivermectin has been explored ...May 26, 2023 · There are two antiviral medications that have been issued Emergency Use Authorization (EUA) by the U.S. FDA: Pfizer’s Paxlovid and Merck’s molnupiravir. Both treatments are in limited supply, and a prescription does not guarantee the medication will be available. Treatment should be initiated as soon as possible after diagnosis of COVID-19 ... Drugs that combat viral infections are called antiviral drugs. There are no effective antiviral drugs for many viral infections. However, there are several drugs for influenza, a couple of drugs for herpesviruses, and some new antiviral drugs for treatment of HIV and hepatitis C infections. The arsenal of antivirals is complex.Mar 6, 2023 · Ivermectin is a Food and Drug Administration (FDA)-approved antiparasitic drug used to treat several neglected tropical diseases, including onchocerciasis, helminthiases, and scabies. 1 For these indications, ivermectin has been widely used and is generally well tolerated. 1,2 Ivermectin is not approved by the FDA for the treatment of any viral infection. Dec 29, 2021 · New antiviral pills for COVID-19 recently authorized for emergency use in high-risk people by the U.S. Food and Drug Administration should give doctors an easier means of keeping people out of the ... Sep 12, 2021 · In a way, COVID-19 is a disease of two stages, says Raymond Schinazi, who develops antiviral drugs at Emory University. During the first stage of the disease, the virus makes copies of itself in ... 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. Molnupiravir is now authorized for the treatment of mild to moderate COVID-19 in adults age 18 years and older, who are at high risk for progressing to severe COVID-19 and for whom alternative COVID ...Historically, antiviral therapy has been available only for a limited number of infections, including those caused by HIV, herpes, hepatitis B and C, and influenza A and B. Drug companies and researchers investigated new and existing antivirals for potential use in treating COVID-19, and some candidates have proven effective in clinical trials.On Sept. 27, Pfizer said that it was launching a late-phase clinical trial to test whether, in combination with another drug, its oral COVID-19 antiviral can prevent infection with the coronavirus ...Antivirals are medicines that help stop a virus infecting healthy cells or multiplying in the body. There are antivirals available that work against COVID-19 and they work best when taken as soon as possible. COVID-19 antivirals do not work against other viruses like the flu. There are different antivirals for the flu.A lab technician works on the production of molnupiravir, an oral antiviral drug that some countries have authorized for use against COVID-19. Credit: Amr Abdallah Dalsh/Reuters/Alamy.