CoVPN Logo (IMAGE) HIV Prevention Trials Network (HPTN) Caption The COVID-19 Prevention Network (CoVPN) today announced two Phase 3 trials to determine whether monoclonal antibodies (mAbs) can prevent SARS-CoV-2, the virus that causes COVID-19. Credit CoVPN 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.