How did the U.S., top ranked for pandemic preparedness, become the world leader in COVID-19 cases and deaths?

A new study reveals what may be driving the rapid spread of SARS-CoV-2 variants—and suggests a way to develop even more effective vaccines.

For months, members of an anti-racism task force have been taking a hard look at the HMS Program in Medical Education.

This past year, HMS student Constance Wu illustrated a COVID-19 children’s book. The pandemic, she says, has taught her a great deal.