A year into the Covid crisis, scientists explain what we learned — and what we got wrong

The first U.S. case of Covid-19 was reported Jan. 21, 2020, by the CDC. A year later, health experts reflect on the most important lessons learned.

A year into the Covid crisis, scientists explain what we learned — and what we got wrong
The first U.S. case of Covid-19 was reported Jan. 21, 2020, by the CDC. A year later, health experts reflect on the most important lessons learned.