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 ...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 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.Feb 7, 2022 · Credit: NIH/NIAID. Researchers have identified a powerful combination of antivirals to treat COVID-19. Combining the drug brequniar with remdesivir or molnupiravir—both approved by the U.S. Food ... 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 ... 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 ... 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.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.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. There are currently two oral antiviral pills, Paxlovid and Lagevrio, authorized for emergency use for the treatment of certain patients with mild to moderate COVID-19. Data have shown that the...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...Nov 4, 2021 · The antiviral Lagevrio (molnupiravir) is safe and effective at reducing the risk of hospitalisation and death in people with mild to moderate COVID-19 who are at increased risk of developing ... 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 ... 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...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 ... 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 ...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 ...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 ...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 ...Dec 16, 2022 · 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 ... Drug-Drug Interactions Between Ritonavir-Boosted Nirmatrelvir (Paxlovid) and Concomitant Medications. Ritonavir, a strong cytochrome P450 (CYP) 3A4 inhibitor and a P-glycoprotein (P-gp) inhibitor, is coadministered with nirmatrelvir to increase the blood concentration of nirmatrelvir, thereby making it effective against SARS-CoV-2.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 ... Apr 22, 2022 · Today, WHO made a strong recommendation for nirmatrelvir and ritonavir, sold under the name Paxlovid, for mild and moderate COVID-19 patients at highest risk of hospital admission, calling it the best therapeutic choice for high-risk patients to date. However, availability, lack of price transparency in bilateral deals made by the producer, and the need for prompt and accurate testing before ... 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 ...Nov 16, 2022 · This section describes trends in the use of COVID-19 medications that have been shown to be effective in lowering risk for severe health outcomes, including COVID-19–related deaths. Data presented are from PCORnet , a network of healthcare facilities that contains electronic health record data for over 30 million people. 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. 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 ... 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. Feb 7, 2022 · Credit: NIH/NIAID. Researchers have identified a powerful combination of antivirals to treat COVID-19. Combining the drug brequniar with remdesivir or molnupiravir—both approved by the U.S. Food ... 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.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. for the treatment of COVID-19. Summary Recommendations Recommendations for Treating Nonhospitalized Adults • The COVID-19 Treatment Guidelines Panel (the Panel) recommends the following anti-SARS-CoV-2 therapies as preferred treatments for COVID-19. These drugs are listed in order of preference: • Ritonavir-boosted nirmatrelvir (Paxlovid ...Sep 1, 2023 · 01595 743 393. NHS Tayside (open from 9am to 4pm Monday to Friday and from 9am to 1pm Saturday and Sunday) 01382 919 477. NHS Western Isles. 01851 601 151. Coronavirus oral antiviral treatments are also being evaluated through a study called PANORAMIC, run by the University of Oxford. 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 ... 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.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 ...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 ...Antiviral drugs can help your body fight off viruses like COVID-19. Learn more about forms of antivirals approved for COVID-19 treatment. 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. Dec 2, 2020 · 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- 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.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 ...Dec 22, 2021 · 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 ... 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 ...The FDA authorized two antivirals, Pfizer's Paxlovid and Merck's molnupiravir, for the treatment of COVID-19 in certain patients. Hospital Treatments for COVID-19. There are treatments for hospitalized patients with severe cases of COVID-19 that have been approved or authorized for emergency use by the Food and Drug Administration (FDA). Antiviral drugs are different from antibiotics, which fight against bacterial infections. Antiviral drugs for flu only work to treat flu. Flu antiviral drugs are different than antiviral drugs used to treat other infectious diseases such as COVID-19. Antiviral drugs prescribed to treat COVID-19 are not approved or authorized to treat flu.Jul 21, 2023 · for the treatment of COVID-19. Summary Recommendations Recommendations for Treating Nonhospitalized Adults • The COVID-19 Treatment Guidelines Panel (the Panel) recommends the following anti-SARS-CoV-2 therapies as preferred treatments for COVID-19. These drugs are listed in order of preference: • Ritonavir-boosted nirmatrelvir (Paxlovid ... 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.The Therapeutic Goods Association also maintains a list of COVID-19 treatments that have been approved for use in Australia. What oral COVID-19 antiviral medicines can people take at home? People with COVID-19 who don’t need oxygen and are not in hospital may be eligible for either Lagevrio or Paxlovid if they meet certain criteria. Lagevrio ...Antiviral drugs can help your body fight off viruses like COVID-19. Learn more about forms of antivirals approved for COVID-19 treatment. There are several FDA-authorized or approved antiviral medications used to treat mild to moderate COVID-19 in people who are more likely to get very sick. Antiviral treatments target specific parts of the virus to stop it from multiplying in the body, helping to prevent severe illness and death. The antiviral Lagevrio (molnupiravir) is safe and effective at reducing the risk of hospitalisation and death in people with mild to moderate COVID-19 who are at increased risk of developing ...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 ... There are two oral antiviral therapies currently available to treat Covid-19 in the United States. One, called Paxlovid, was developed by Pfizer and was the first oral treatment authorized for ...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 ...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. Drug-Drug Interactions Between Ritonavir-Boosted Nirmatrelvir (Paxlovid) and Concomitant Medications. Ritonavir, a strong cytochrome P450 (CYP) 3A4 inhibitor and a P-glycoprotein (P-gp) inhibitor, is coadministered with nirmatrelvir to increase the blood concentration of nirmatrelvir, thereby making it effective against SARS-CoV-2.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. The Therapeutic Goods Association also maintains a list of COVID-19 treatments that have been approved for use in Australia. What oral COVID-19 antiviral medicines can people take at home? People with COVID-19 who don’t need oxygen and are not in hospital may be eligible for either Lagevrio or Paxlovid if they meet certain criteria. Lagevrio ...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. 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 ...Data reviewed by the FDA showed molnupiravir was just 30% effective at cutting the risk of getting hospitalized with COVID-19. Paxlovid works much better, reducing the same risk by nearly 90% ...Together, 2 antiviral drugs, nirmatrelvir and ritonavir (brand name Pfizer-Paxlovid ®), are authorized to treat adults with mild to moderate COVID-19 who show symptoms and are at high risk of serious illness, including hospitalization or death. This is the first authorized COVID-19 treatment that people can take orally at home.Dec 22, 2021 · 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 ... Pfizer’s oral antiviral drug (a combination of nirmatrelvir and ritonavir tablets) is strongly recommended for patients with non-severe COVID-19 who are at highest risk of developing severe disease and hospitalization, such as unvaccinated, older, or immunosuppressed patients.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. Jul 21, 2023 · for the treatment of COVID-19. Summary Recommendations Recommendations for Treating Nonhospitalized Adults • The COVID-19 Treatment Guidelines Panel (the Panel) recommends the following anti-SARS-CoV-2 therapies as preferred treatments for COVID-19. These drugs are listed in order of preference: • Ritonavir-boosted nirmatrelvir (Paxlovid ... A Government spokesman said that the list of private doctors who have obtained COVID-19 oral drugs for prescription, namely Paxlovid and Molnupiravir, through a dedicated online platform has been published on a designated website today (April 26). The Government had earlier announced that the above two COVID-19 oral drugs would be provided to ...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. 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 ...Oct 5, 2020 · 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 ...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 ... 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 ...Mar 12, 2020 · 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. 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 ...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 ...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. Sep 5, 2023 · 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. 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.
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.. Families first funeral care and cremation center obituaries
Dec 21, 2021 · 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. 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. 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 ...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...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 ...As the drug target is not under the genetic control of the virus, the virus cannot mutate around it as readily, or at all. The iminosugars will also be antiviral against all variants of this coronavirus, including those for which vaccines are not yet available, and any mutants that might arise naturally or in response to direct acting antiviral drugs, such as protease inhibitors (eg, Paxlovid ...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-The omicron variant has mutations in both the RNA-dependent RNA polymerase (RdRp) and the main protease of SARS-CoV-2, which are targets for antiviral drugs such as RdRp inhibitors (remdesivir and molnupiravir) and the main protease inhibitor PF-07304814, 5 which arouses concern regarding the decreased effectiveness of these drugs against omicron.Drug-Drug Interactions Between Ritonavir-Boosted Nirmatrelvir (Paxlovid) and Concomitant Medications. Ritonavir, a strong cytochrome P450 (CYP) 3A4 inhibitor and a P-glycoprotein (P-gp) inhibitor, is coadministered with nirmatrelvir to increase the blood concentration of nirmatrelvir, thereby making it effective against SARS-CoV-2.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 ...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 ...Hydroxychloroquine and chloroquine are oral medications that doctors use to treat malaria. In March 2020, the FDA issued an EUA for both drugs to treat COVID-19. However, they revoked this ...Dec 2, 2020 · 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- 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 ... 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 ... The FDA also has approved the rheumatoid arthritis drugs baricitinib (Olumiant) and tocilizumab (Actemra) to treat COVID-19 in some cases. Baricitinib is a pill that seems to work against COVID-19 by reducing inflammation and having antiviral activity. Tocilizumab is an injection.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..