“A well-fitted N95 would be the highest quality filtering mask that you could wear,” she says. But “the best mask you can ...

Manal Mohammed is a senior lecturer of medical microbiology at the University of Westminster. Since the COVID variant Omicron emerged in late 2021, it has rapidly evolved into multiple subvariants.

SAN FRANCISCO -- Preliminary data out of South Africa is giving the world insight into how strong omicron really is. The South African Medical Research Council just reported this variant may cause ...

The new omicron boosters are very effective at preventing seniors from being hospitalized with Covid, according to a new CDC study. U.S. health officials have focused in particular on making sure more ...

Earlier this month, the Centers for Disease Control and Prevention (CDC) endorsed the use of a COVID booster vaccine that specifically targets Omicron’s BA.4 and BA.5 variants. The goal of the Omicron ...

The relatively new COVID-19 omicron subvariant XBB.1.5 "is the most easily transmissible subvariant so far," Dr. Marc Siegel, a Fox News medical contributor, told Fox News Digital this week. That is ...

New York City health officials are warning residents that the infectious omicron subvariant XBB.1.5 may be more likely to infect people who have already been vaccinated or infected with COVID-19.

The Omicron variant spreads easier than other variants of coronavirus, and people can get it twice. Reinfection is possible even if a person has already had this virus or is fully vaccinated. Several ...