Birdwatch Note Rating
2022-12-20 17:25:14 UTC - HELPFUL
Rated by Participant: BFF9FB1B076B5CE4E52B9F2D9E1949101EA6B8E39F08F68E7C5BB9904B097FEF
Participant Details
Original Note:
The CDC has found that the bivalent boosters have an added 73% protection against hospitalization in ≥65yos, compared to past vaccination. https://www.cdc.gov/mmwr/volumes/71/wr/mm715152e2.htm Effectiveness is multifaceted and often difficult to measure, due to high rates of past infection in control groups.
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