“As SARS-CoV-2 continues to evolve and is likely to become endemic, it is possible people may need periodic booster shots for the foreseeable future,” Immunologist David R. Martinez writes. “I suspect scientists will eventually need to update the COVID-19 vaccine to take on newer variants, as they do for flu.”
The increasing prevalence of new coronavirus variants is raising questions about how well protected those who’ve already had their COVID-19 shots are against evolving forms of the SARS-CoV-2 virus. Here, microbiology and infectious disease specialist William Petri of the University of Virginia answers some common questions about COVID-19 booster shots.
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