FDA's Peter Marks to Congress: Youngest kids vaccine won't need to hit 50% efficacy mark

FDA's Peter Marks to Congress: Youngest kids vaccine won't need to hit 50% efficacy mark

Source: 
Endpoints
snippet: 

The FDA’s top vaccine leader told a congressional committee on Friday afternoon that although the adult vaccines had to meet a 50% threshold for efficacy against Covid-19 infections, that same standard will not need to be met for the vaccines for the youngest group of children, for which a vaccine is not yet available.