SARS-CoV-2 reinfections during the first three major COVID-19 waves in Bulgaria
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DOI: 10.1371/journal.pone.0274509
Abstract: Background: The COVID-19 pandemic has had a devastating impact on the world over the past two years (2020-2021). One of the key questions about its future trajectory is the protection from subsequent infections and disease… read more here.
Keywords: severe outcomes; cov reinfections; reinfections first; first three ... See more keywords