Moderna says preliminary data show that a booster dose of its COVID-19 vaccine should offer protection against the rapidly spreading omicron variant.
FILE - A vial of the Moderna COVID-19 vaccine is seen during a vaccination clinic at the Norristown Public Health Center in Norristown, Pa., Tuesday, Dec. 7, 2021. Moderna said Monday, Dec. 20, 2021 that a booster dose of its COVID-19 vaccine should offer protection against the rapidly spreading omicron variant.
Moderna said Monday that a booster dose of its COVID-19 vaccine should offer protection against the rapidly spreading omicron variant. And a full-dose booster was even stronger, triggering an 83-fold jump in antibody levels, although with an increase in the usual side effects, the company said. While half-dose shots are being used for most Moderna boosters, a full-dose third shot has been recommended for people with weakened immune systems.
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