Ideally, vaccine boosters are given no sooner than necessary, but well before widespread protective immunity declines. The risks of waiting too long are obvious: as immunity wanes, the rates of infection, serious illness, and death may begin to rise. When can I get my Pfizer COVID-19 booster...
-tests all have P > 0.290; Bayes factor values ⪞ 6.869 × 1072 in support of no difference; Extended Data Table 1 and Supplementary Table 2). The nine study conditions were also balanced on a measure of total previous COVID-19 booster vaccinations provided by CVS Pharmacy in...