People infected with the omicron variant show poor immune boosting against future SARS-CoV-2 infection. These are the ...

The lineages’ rise seems to stem from their ability to infect people who were immune to earlier forms of Omicron and other ...

1, the original omicron variant of concern ... whether using a different vaccine platform would give us longer and better immunity than repeatedly going to mRNA shots. TR: Does the mixing ...

Orange County, Altamonte Springs and Casselberry tested their wastewater for traces of BA.2.12.1, the most common variant in ...

If you haven’t gotten a booster shot following your “full vaccination” with the Moderna or Pfizer-BioNTech vaccines against ...

It’s not clear whether the even stealthier Omicron will cause a new wave of infections—a “wave upon a wave” of infections—or ...

A booster shot lifted omicron-neutralizing immune activity to the detectable range in 86% of nursing home residents and in 93% of healthcare workers, an investigation finds.

Moderna on Wednesday said its new COVID booster candidate, which it is hoping to get approved this fall, performed well ...

Long-term care residents who get a fourth dose of the COVID-19 vaccine are at a reduced risk of being hospitalized or dying from the disease during an omicron-related surge, Israeli researchers say.

For Jacqueline Almeida, next week cannot come soon enough. She has watched friends roll their eyes when she asked to meet ...

People who had only two initial doses of an mRNA COVID-19 vaccine fared no better against Omicron than those who were ...