Pfizer and Moderna efficacy?

Rhonda Patrick discussed the efficacy of the Pfizer and Moderna vaccines in the context of the Delta variant. For the Pfizer vaccine, efficacy against infection dropped from 88%-93% to around 41% with the emergence of the Delta variant. For the Moderna vaccine, the drop in efficacy against infection was less dramatic, remaining about 77% effective against the Delta variant. However, both the Pfizer and Moderna vaccines continued to be highly effective at preventing hospitalizations, with efficacy rates ranging from 80% to 97% 1.