Vaccine Effectiveness in Preventing COVID-19 Assisting Hospitalizations Among Adults Over 65

Second MMWR release early estimates of bivalent mRNA vaccine effectiveness in preventing COVID-19 associated hospitalizations among immunocompanant adults aged greater than equal to 65 years. Median interval since receipt of the bivalent booster dose was 23 days, so you really have narrow window there to get infected. The IV network, 18 states September 8 dash November 30 2022 gives us data from the IV network.