COVID-19 waves and treatments (IMAGE) University of Pittsburgh Caption This graphic shows COVID-19 hospitalization peaks across the first two years of the pandemic, indicating when evidence for the validity of new treatments became available. Credit Castro, A.D., et al., (2022) JAMA Network Open Usage Restrictions Only to be used in relation to this study License Original 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.