New @CDCMMWR show Moderna & Pfizer-BioNtech #COVID19 vaccines helped protect older US veterans against #COVID19 hospitalization 4+ mos. after 2nd dose…


New @CDCMMWR show Moderna & Pfizer-BioNtech #COVID19 vaccines helped protect older US veterans against #COVID19 hospitalization 4+ mos. after 2nd dose. But antibody levels also dropped 4+ months after 2nd shot, suggesting importance of boosters. More: https://bit.ly/mm7049a2

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