COVID

The pandemic early exposed weaknesses in CDC’s laboratories. Organizational and culture changes there are good first steps, but more must be done

“We’re still in a pandemic,” says a lead COVID official with the World Health Organization

Disinformation abounds, and it can kill. Fortunately, it can often be unambiguously identified

Infants born to people who had COVID while pregnant are at a higher risk of respiratory distress, but vaccination greatly lowers the risk

Proteins involved in immunity, clotting and inflammation could help to unravel the complexity of long COVID

A new variant of the COVID-causing virus SARS-CoV-2 is behind the latest surge in infections this winter, but it doesn't appear to cause more severe disease

You have a “better chance of becoming Spider-Man” than being harmed by DNA from COVID vaccines

Several new studies reveal that getting multiple COVID vaccine doses provides strong protection against lingering symptoms

Ongoing research shows electrical vagus nerve stimulators could relieve some long COVID symptoms. But are the expensive devices worth the price?

Critics push back on proposed CDC guidelines that they say leave health care facilities free to cut corners on N95 masks and other measures that protect workers against airborne diseases such as COVID

Here’s how to plan COVID-safer holiday get-togethers, using websites that show viral levels in wastewater

The colors of lines on COVID tests can show whether you’re getting healthy or staying sick—if they’re interpreted the right way