Coronavirus Frequently Asked Questions

Thanks to at-home testing, official reports are missing a lot of the COVID cases circulating now. Is the U.S. in the midst of an invisible surge? Here's how to assess the situation where you live.

The numbers represent only the cases reported to county or hospital sites. As the proliferation of at-home tests has increased, the actual number of infections is likely higher.

Professor Jon Levy went viral for wearing a mask during a Zoom call alone in his office. He has some thoughts about why.

Health expert gives tips on how to stay safe as summer approaches and more people plan to travel.

The investigative report cited a failure in leadership among the prime minister and other top British officials for allowing boozy government parties that broke lockdown rules.

Although monkeypox's recent spread has caused concern, its similarities to smallpox have given the public health world a head start on combating it.

The district has a plan to reinstate mask mandates starting Wednesday if specific conditions are met in individual schools.

Preliminary data suggested the three-dose series is 80% effective in preventing symptomatic COVID-19, the companies said.

Pfizer plans to submit new data to the Food and Drug Administration this week, bringing families with young children one step closer to a long-awaited vaccine.

The isolated East Asian country has only stated how many people have fevers daily, and has only identified a few of the cases as COVID-19 since admitting to an outbreak of the omicron variant.