Opinion: Assessing COVID-19’s massive toll As 2020 draws to a close, COVID-19 is massively surging to become the leading cause of death in the U.S. Containing the pandemic, which has killed more than 300,000 Americans, will require an “unprecedented” national response, according to a JAMA editorial by three experts from Harvard T.H. Chan School of Public Health. The December 17, 2020 editorial—by Howard Koh, Harvey V. Fineberg Professor of the Practice of Public Health Leadership, Alan Geller, senior lecturer on social and behavioral sciences, and Tyler VanderWeele, John L. Loeb and F...