Covid-19 has killed more than 1 million people in the United States since the start of the pandemic, and life expectancy has been cut by nearly 2.5 years since 2020. A very early look at data from ...

Pfizer sold $37.8 billion of its Covid vaccine last year, a small increase of 3% compared with 2021 as demand for the shots slowed. Sales of Paxlovid, however, surged to $18.9 billion in 2022, which ...

In May 2020, Dr. Rick Bright, former director of BARDA, warned Congress that, without ramped up coronavirus pandemic preparedness, we would face the darkest winter in modern history. His warnings were ...

Seniors had the lowest percentage of COVID antibodies from previous infection. By the end of 2022, about one in four American adults and older teenagers still hadn't contracted COVID-19, according to ...

Life expectancy in the U.S. bounced back in 2022 as the COVID-19 pandemic faded, rising from 76.4 years in 2021 to 77.5 years on average. That's according to two new studies released early Thursday by ...

This year, the world had to face the growing burden of long COVID. A tidal wave of people with lingering symptoms — some mild, some profoundly disabling — commanded attention. One key question is: Who ...

2022 was bad — but it could have been worse. This essay is part of an end-of-the-year series looking at the silver linings. We entered 2022 in a state of high anxiety about what Covid-19 would do next ...