WHYY
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Prepared injections of the COVID-19 vaccine. (Office of Gov. Tom Wolf)
This is one of a series of articles in which reporters from WHYY’s Health Desk Help Desk answer questions about vaccines and COVID-19 submitted by you, our audience.
Since the beginning of the COVID-19 pandemic, public health experts, scientists, and the rest of us have wanted to know whether contracting the coronavirus once protects people from getting infected by it again.
A year in, scientists are closer to a more definitive answer. As vaccines roll out, emerging data could also provide answers about whether vaccines are necessary for people who have recovered from COVID-19.