(AP) – A real-world test of Pfizer’s COVID-19 vaccine in more than half a million people confirms that it’s very effective at preventing serious illness or death, even after one dose. Wednesday’s ...

Jay Bhattacharya dismissed the test-negative design as 'crap.' The biostatistics literature tells a different story.

SEATTLE -- U.S. researchers gave the first shot to the first person in a test of an experimental coronavirus vaccine Monday -- leading off a worldwide hunt for protection even as the pandemic surges.

You mentioned in a recent column that prospective randomized controlled trials (RCTs) are a powerful type of study. Can you tell me if the original COVID vaccine or any of the boosters were part of a ...

Covid-19 vaccines roughly halved the chances that a US adult would need to visit the emergency room or be hospitalized with their infections last fall and winter, according to two sources familiar ...

COVID-related hospitalizations in Southwest Ohio have crept up in recent weeks, according to the Ohio Department of Health's respiratory dashboard. For the week ending Sept. 6, the most recent data ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. MIAMI, FLORIDA - MAY 29: In this photo illustration, Pfizer-BioNTech COVID-19 (L) and ...

The magnitude of loss from COVID-19 is now on par with suffering the 9/11 attacks every day. The US averaged more than 3,223 COVID-19 deaths a day over the past week, according to Johns Hopkins ...