To determine whether multiple SARS-CoV-2 infections impact the risk for long COVID, Clouston and colleagues retrospectively studied data from 2,511 essential workers in New York, most of whom were ...

New evidence suggests that SARS-CoV-2 infection can lead to the rapid development of achalasia, a rare esophageal motility disorder. The etiology of achalasia is unclear. Studies have suggested an ...

Hidden in the lungs of some breast cancer survivors are tumour cells that can remain dormant for decades — until they one day ...

Early in the beginning of the COVID-19 pandemic, scientists predicted the SARS-CoV-2 virus would mutate slowly. They were wrong. Hundreds of thousands of viral mutations and multiple seasonal ...

With climate change bringing more frequent and severe heat waves to much of the U.S. and the world, people will likely be spending even more time indoors in summertime—and so will SARS-CoV-2.

Unfounded claims about SARS-CoV-2’s origin continue to circulate, further complicating efforts to maintain a constructive, evidence-based public discourse.

UCSF researchers designed new drug candidates that potently block MPro, a viral enzyme that's crucial for SARS-CoV-2 replication. One of these drug candidates, AVI-4516, is shown (center) bound to the ...