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Published in 2022 at "Eurosurveillance"
DOI: 10.1101/2022.09.21.22280189
Abstract: We investigate differences in protection from previous infection and/or vaccination against infection with Omicron BA.4/5 or BA.2. We observed a higher percentage of registered previous SARS-CoV-2 infections among 19836 persons infected with Omicron BA.4/5 compared…
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Keywords:
infection infection;
infection;
may july;
previous infection ... See more keywords