U.K. Approves Covid Booster Vaccine That Targets Two Variants

Britain on Monday became the first country to authorize a coronavirus vaccine that targets two variants, the original virus and Omicron, the variant that became dominant over the winter.

Half of each dose of the Moderna-made vaccine will target the original variant, and the other half will target Omicron. In clinical trials, the vaccine, an updated version of Moderna’s original Covid vaccine, generated a good immune response to these two variants, as well as the BA.4 and BA.5 subvariants in adults, researchers found.

Dr. June Raine, the chief executive of Britain’s Medicines and Healthcare Products Regulatory Agency, said she was pleased that the new booster vaccine met the regulator’s standards of safety, quality and effectiveness. The decision was endorsed by Britain’s independent expert scientific advisory body, the Commission on Human Medicines.

“The first generation of Covid-19 vaccines being used in the U.K. continue to provide important protection against the disease…

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This article was written by Jenny Gross and originally published on www.nytimes.com