Moderna gave the first data from a company-sponsored study on its newly authorized Covid-19 booster, saying the shot produced a stronger immune response against Omicron subvariants
shot for the U.S. generated strong immune responses in people against Omicron subvariants, according to the first data from a company-sponsored study testing the new doses in volunteers.
Moderna said Monday that people receiving the updated booster shot had more than five times the neutralizing antibodies against Omicron subvariants BA.4 and BA.5 than people who received Moderna’s original booster shot, which targeted an earlier strain of the coronavirus.
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