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Two shots of COVID-19 vaccine without an additional booster offer essentially no lasting protection against infection with Omicron, and a coronavirus infection is as effective as a recent booster ...
The answer to that debate is complicated, but studies show the best way to protect yourself against the Omicron variant is to get vaccinated and then boosted. An infection on top of that, while ...
Though COVID-19 vaccines and boosters provide strong protection against severe disease, hospitalizations, and deaths, the quickly-spreading Omicron variant remains a significant challenge.
Both Pfizer and Moderna’s Omicron boosters are "bivalent" vaccines, meaning they protect against Omicron BA.5 and BA.4 subvariants and the original SARS-CoV-2 virus. "The goal of a COVID vaccine ...
BA.5, a new Omicron subvariant of the coronavirus, has become dominant in the U.S., accounting for 65% of infections nationwide, according to the Centers for Disease Control and Prevention.Some ...
The U.S. Centers for Disease Control and Prevention says nearly 60 percent of Americans are now “fully vaccinated” against COVID-19, but the numbers are being called into question by the ...
The troubling arrival of the omicron variant has led to coronavirus cases surpassing 50.8 million in the U.S. and 274.7 million worldwide. Omicron: The pandemic 'has never been as complicated as ...
COVID-19 vaccines are holding up against "stealth" Omicron almost as well as they do against the original version of the variant, a new study finds. (Steven Senne / Associated Press)