The XEC variant first popped up on the agency’s COVID Data Tracker map in Sept. 2024. However, at the time, it accounted for ...
Rates of norovirus in that CDC system have reached levels at or above last season's peak in all regions of the country.
Most people now have some degree of immunity to COVID, either from vaccination or infection, Schaffner said. The data on how ...
With the acute phase of the Covid-19 pandemic fading even as the coronavirus persists and evolves, a new normal is taking shape around the world. But the report, on the experiences of 13 patients ...
What’s COVID FLiRT and variants now in PH? As the virus evolves and new variants emerge, health systems — including WHO’s ...
Five years ago, a cluster of people in Wuhan, China, fell sick with a virus never before seen in the world. The germ didn’t ...
Challenge trials help researchers study immune responses. Skeptics still doubt the approach is worth the risks ...
While cases are climbing in China, the situation is very different from what it was when Covid-19 emerged five years ago, ...