Letters to the editor Aug. 19

Booster shots

With a new wave of coronavirus and historical and current data showing some waning of antibody levels after six to nine months, one might question whether a booster shot of vaccine would be helpful. Apparently Pfizer has done a study showing an 11 fold increase in antibody levels after a booster in patients aged 65 -75. Perhaps they initiated that study after some data showed that the Moderna vaccine may be more effective against the Delta variant than the Pfizer...