COVID-19 -- Worldwide/Unknown
Abstract
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Background: Starting December 2020, Israel began a mass vaccination campaign against coronavirus disease, administering the Pfizer BNT162b2 vaccine, which led to a sharp curtailing of the outbreak. After a period with almost no SARS-CoV-2 infections, a resurgent COVID-19 outbreak initiated mid-June 2021. Possible reasons for the breakthrough are reduced vaccine effectiveness against the delta variant, and waning immunity. The aim of this study is to quantify the extent of
Read more about it at HealthMap Global Disease Alerts via http://healthmap.org/ln.php?8633034&promed&0
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