Could Exposure to Covid Boost My Immune System?

A Covid-19 rapid self-test at home.

Photographer: Images By Tang Ming Tung/Digital Vision

Hi folks, it’s Kristen logging on from NYC. In this week’s edition of Ask Prognosis, a reader inquires whether exposure to Covid might give her immune system a boost even if she never caught the virus. But before we get to that...

My husband had Covid at the end of April. I was clearly exposed for a number of days before he tested positive. I never developed symptoms or tested positive myself. Would this exposure ramp up my immune system in a way similar to a booster shot? Barbara, Boulder, Colorado