Covid-19 roundup: J&J boost­er shot da­ta show promise; CD­C's ACIP meet­ing this week to dis­cuss Pfiz­er boost­ers

J&J re­vealed a sum­ma­ry of new Covid-19 vac­cine da­ta to­day, in­clud­ing new re­sults show­ing boost­er shots may help with pro­tec­tion.

A Phase III study (EN­SEM­BLE 2) looked at boost­er shots at two dif­fer­ent points in time: a sec­ond shot 56 days af­ter the first shot, or a sec­ond shot six months af­ter the first. The eight-week shot showed in­creased pro­tec­tion against symp­to­matic Covid-19, with the fol­low­ing lev­els of pro­tec­tion:

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