Centers for Disease Control and Prevention, said the agency is “really hopeful” that existing vaccines can protect people infected by omicron against severe disease and hospitalization. “We feel certain that there will be some degree, and maybe a considerable degree, of protection against the omicron variant” with existing vaccines, he said. “I think that there’s a real risk that we’re going to see a decrease in the effectiveness of the vaccines,” Hoge said in an ABC interview. health officials said Sunday it’s still unclear how transmissible the latest COVID-19 variant is, how well existing vaccines work and whether it will lead to more severe illnesses. Moderna’s president: Vaccines could struggle with COVID-19 omicron variant
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