We’ll Probably Need Booster Shots for Covid-19. But When? And Which Ones? by Carl Zimmer

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Scientists are asking a lot of questions about Covid-19 booster shots, but they don’t yet have many answers. Here’s what they know so far.

Published: June 6, 2021 at 02:00AM

from #NYT Science Read the full article here: https://ift.tt/3vWZVku