“Family Herd Immunity”: Protecting Your Household from COVID-19

F. Perry Wilson, MD MSCE
4 min readOct 12, 2021

Vaccination (and even prior infection) protects susceptible family members.

We’ve talked a lot about the concept of herd immunity during this pandemic, but mostly in the context of huge populations — herd immunity at the country level or even the world. And, of course, when you zoom out to the entire world…

F. Perry Wilson, MD MSCE

Medicine, science, statistics. Associate Professor of Medicine at Yale University. New book “How Medicine Works and When it Doesn’t” available now.