COVID

Some clinics are touting pressurized oxygen chambers as a treatment for long COVID, but the evidence is mixed

Former National Institutes of Health official David Morens is accused of evading record requests related to the COVID pandemic’s origins and gain-of-function research

Infections of the BA.3.2 variant of the COVID-causing coronavirus are still at very low levels, but experts are concerned it may be resistant to immunity from vaccines or prior infection

The COVID pandemic ushered mRNA vaccines into the spotlight, and the technology has even greater potential. Here’s what to know about the way that they work, their safety, and more

We have severely undercounted the number of COVID deaths, scientists say

Staff members have been instructed to scrub this topic and ‘biodefense’ from the agency’s website, a Nature investigation finds

A new study suggests that people with obesity have higher rates of mortality and hospitalization from a variety of infections from viruses, fungi, parasites and bacteria

The FDA is reportedly considering the addition of high-level warning labels to COVID vaccines, a move that some experts say may cause unfounded concerns over safety

A report published by the CDC reaffirms the effectiveness of COVID vaccines at preventing severe disease in children

A new study identifies a mechanism for how COVID vaccines may, in infrequent cases, drive heart inflammation, a condition that can be caused by the disease itself

Immunologist Zachary Rubin explains how, according to a recent study, living through a pandemic might accelerate brain aging.

Limited COVID surveillance data are hampering vaccination and health strategies, researchers say