(CNN) — The U.S. Centers for Disease Control and Prevention strengthened recommendations for booster doses of coronavirus vaccine Monday, saying all adults should get boosted six months after the ...

"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily ...

A new COVID-19 variant is climbing the ranks in the United States, becoming the third-most common strain of the summer. Variant XFG, colloquially known as "Stratus," was first detected in Southeast ...

The first known meta-analysis of how SARS-CoV-2 variant type and time since infection influence long-COVID symptoms ties Omicron to brain fog and paresthesia (numbness and tingling), while earlier ...

CDC data show SARS-CoV-2 and RSV continue to impact younger children and older adults, with significant hospitalization and mortality rates across the US.

Invivyd, Inc. (NASDAQ:IVVD) Q4 2025 Earnings Call Transcript March 5, 2026 Invivyd, Inc. misses on earnings expectations. Reported EPS is $-0.06428 EPS, expectations were $-0.06. Operator: Good day, ...

A new COVID-19 variant sweeping through China has yet to make a sizable footprint in the U.S., the Centers for Disease Control and Prevention (CDC) says. In January, a new COVID-19 variant known as NB ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

There remains much we don’t know about long covid, including its origins. It’s a complex condition likely caused by more than one thing, including a dysfunctional immune response to the earliest covid ...

New COVID-19 variant XFG has firmly positioned itself as the predominant strain in the United States as cases continue to crop up nationwide. Some regions of the U.S. are experiencing higher rates of ...

COVID-19 cases remained relatively steady week-over-week in late August, though data from states showed "very high" viral activity at the end of the month, according to the Centers for Disease Control ...