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However, it was not stated whether the histopathology was focal or widespread in the lungs, and immunopathology was not associated with impaired respiratory function in macaques evaluated for 21 days (passive anti-S) or for 35 days (MVA-S)
The claim appears far more often on legal-marketing blogs than in toxicology research

Stephanie S, et al

You may have slight redness at the injection site for a day or two
