Latest about Coronavirus
Rapid tests may not detect omicron early in infection
However, PCR tests, which are more sensitive, detected the virus in the early days of infection.
Omicron may cause milder disease. A lab study hints at why.
The omicron variant of SARS-CoV-2 may be less efficient at infiltrating the lungs and spreading from cell to cell, early lab studies suggest.
Breakthrough COVID cases may supercharge immunity, study hints
There may be a silver lining to breakthrough infections, although they obviously still carry risks.
Newfound flavor of omicron variant may be harder to track
The newfound version, BA.2, may be slightly harder to track.
Omicron variant may have evolved in rats, one theory says
Some features of the omicron variant's genome hint that it may have evolved in rodents.
1st case of omicron variant in US confirmed in California
U.S. officials confirmed the first U.S. case of omicron in California.
The Omicron variant: What we know so far
On Nov. 26, the World Health Organization (WHO) named a new coronavirus variant "Omicron" and designated it as a "variant of concern."
FDA authorizes Pfizer and Moderna COVID-19 booster shots for all adults
On Friday (Nov. 19), The Food and Drug Administration (FDA) authorized Moderna and Pfizer boosters for all adults, prior to the busy holiday season.
