A new COVID variant known as the "XEC variant" is raising questions and capturing the attention of researchers heading into the fall and winter season. The variant has been largely spreading overseas ...
As we enter another COVID season, experts are sounding the alarm about a newly emerging strain: XEC, a recombinant subvariant of the Omicron family. First detected in Germany in June 2024, XEC has ...
Vaccine effectiveness (VE) against COVID-related hospitalization was 40% (95% confidence interval [CI], 27% to 51%) through 90 to 179 days (about 6 months) post-vaccination. VE was higher against IMV ...
Sustained protection through 6 months, but effectiveness slipped as newer strains emerged ...