Reputable news organizations such as Reuters, Agence France-Presse (AFP) and South African news website News24 debunked the ...

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.

XBB.1.5 made up 27.6% of sequenced Covid cases nationally for the week ending Jan. 7 compared to 18.3% for the week end Dec. 31. The World Health Organization has described XBB.1.5 as the most ...

WASHINGTON — The new COVID-19 vaccines that gained final approval last week mark a new stage in the fight against the disease, top Biden administration health officials said during a Tuesday press ...

New research shows that after the body's defenses kill the virus behind COVID-19, leftover digested chunks of SARS-CoV-2 ...

Long after the acute infection fades, pieces of the virus behind COVID-19 can linger in the body and quietly sabotage the ...

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 ...

In a study published in JAMA Network Open today, scientists report on how effective the original vaccine and booster shots are against the COVID-19 Delta and Omicron variants. Researchers in Ontario ...

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 ...

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 ...

It’s one of the perplexing mysteries of the Covid pandemic: Where did Omicron emerge from, almost one year ago? The fast-moving, extremely contagious variant arrived just after Thanksgiving 2021, ...