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

NEW YORK (WABC) -- Updated government research backs initial data that mixing and matching COVID vaccines is just fine. The National Institutes of Health has now looked at more than 450 people who ...

Moderna’s Omicron-adapted COVID-19 vaccines appear to reduce the risk of hospitalization and death in adults who are not ...

NEW YORK (WABC) -- With two new pills now authorized by the FDA to fight the effects of COVID, there's a push for New York state to be first in line for the initial shipments. Supplies of Pfizer's ...

NEW YORK -- This holiday season held promise for Americans, many of whom spent Christmas 2020 in quarantine or away from loved ones due to a nasty winter COVID-19 surge. Yet in the last week or so, ...

Read Latest News on Covid 19 along with top headlines and breaking news today. Also get Covid 19 Updates, Photos and Videos ...

LOS ANGELES -- The COVID-19 case rate across the U.S. is steadily falling, down by nearly 36 percent in the last week, and experts say we are past the peak of the omicron variant. Could COVID-19 now ...

FRESNO, Calif. (KFSN) -- The state is now helping track a new COVID strain in Fresno County. The Omicron variant hasn't yet been identified in local cases but health officials will now have a much ...

LONDON — As more cases of the new omicron Covid variant emerge around the world, experts say it's likely that the variant, first identified in South Africa last week, had already been circulating for ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Some people in China are reporting severe sore throat with COVID infections right now. apomares via Getty Images A positive ...