Politico: Moderna Making Booster
Shot To Fight Covid-19 Variants
Moderna is testing two booster-shot options — one specifically aimed at the
South African variant and another to broadly fight new mutations. Laboratory
research using blood from people and monkeys who had received the company's
vaccine found that the U.K. variant did not appear to reduce the production of
neutralizing antibodies. But the South African variant showed a sixfold
reduction, the company said. ... Moderna said the development of the booster is
a precaution because its already-authorized two-dose regimen still offered
substantial protection against the U.K. and South African strains in the lab
study. (Owermohle, 1/25)
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