Researcher shows antiviral drug (IMAGE) University Health Network Caption Single shot of peginterferon-lambda accelerates clearance of COVID-19 infection, UHN-led study shows Credit Courtesy UHN Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.