Why Only Some Vaccines Need Booster Shots
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Why Only Some Vaccines Need Booster Shots
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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 answe
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Category: science
Date: 2021-08-16 19:18:30
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