Birdwatch Note Rating
2023-08-26 01:02:48 UTC - HELPFUL
Rated by Participant: F347C9855C45BA00B8233F6219DE2FB9EDD0F7C423A83969AF0C011D40230712
Participant Details
Original Note:
Annual flu vaccine RCT's are not feasible. Vaccination RCTs require both very large sample sizes & either: long time period (years) or many infections in a short time. Most flu cases happen over a very short time period & you need the majority of people vaccinated BEFORE then https://www.cdc.gov/flu/vaccines-work/effectivenessqa.htm
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