A study suggested that the updated booster shot produced higher levels of neutralizing antibodies against BA.4 and BA.5 than the first booster, the company said.
New Covid Booster Strengthens Immune Response Against Subvariants, Moderna Says
A study suggested that the updated booster shot produced higher levels of neutralizing antibodies against BA.4 and BA.5 than the first booster, the company said.
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