What to do if you're vaccinated against Covid-19 and exposed to the novel coronavirus, what 175 pediatric disease experts and CDC say about whether it's safe to reopen schools, and more.

Is it safe to reopen schools? Here's what 175 pediatric disease experts—and CDC—say. (Tuesday, Feb. 16)

A panel of pediatric disease experts interviewed by the New York Times broadly agreed that schools can reopen for in-person classes, but they emphasized the need for two key precautions. Here's what they recommended, and how it aligns with CDC guidance released earlier this month.

Why are coronavirus cases suddenly dropping? Here are 4 key factors. (Wednesday, Feb. 17)

The daily number of newly reported coronavirus cases in the United States has dropped precipitously over the past few weeks. Experts attribute the decline to four key factors—although they also note that infections remain very high and warn a new surge could be coming.

If you're vaccinated and exposed to Covid-19, what do you do? Here's CDC's guidance. (Thursday, Feb. 18)

In new guidance, CDC said some people who are "fully vaccinated" against Covid-19 and who have been exposed to someone infected with the novel coronavirus do not have to quarantine—but only if they meet several preconditions, and only as long as they don't develop symptoms.

7 myths about coronavirus vaccines, busted (Friday, Feb. 19)

Writing for the New York Times, Aaron Carroll, a professor of pediatrics at Indiana University, debunks seven of the most common "myths and misconceptions" about coronavirus vaccines that he has heard from patients, friends, and colleagues.