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Waning of Bivalent mRNA Vaccine Effectiveness
Against COVID-19-associated Hospitalization Among Adults -
IVY Network, 20 U.S. States,
September 8, 2022-May 31, 2023
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IDWeek October 14, 2023
Jennifer DeCuir, MD-PhD
Surveillance and Prevention Branch
Coronavirus and Other Respiratory Viruses Division
waning was less pronounced in immunocompromised !! People > 65 waning was more pronounced after 90 days.
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