Does Exposure to Omicron Help Our Immunity, Even If We Don’t Get Sick? – The Wall Street Journal

Your spouse had Covid-19. The babysitter had it. Or perhaps it was your colleague.
Youve been exposed to Covid-19 more times than you can count. And yet in some way youve never ever checked favorable. Could all these close encounters with Covid-19 be improving your immune response to it? The answer isnt specific, scientists say.

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