Monday, 9 August 2021

PRO/AH/EDR> COVID-19 update (273): vaccine effect, motorcycle rally, delta variant, WHO

COVID-19 -- Worldwide/Unknown
Abstract
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Several studies report high effectiveness of COVID-19 vaccines against SARS-CoV-2 infection and severe disease; however, an important knowledge gap is the vaccine effectiveness against transmission (VET). We present estimates of the VET to household and other close contacts in the Netherlands, from February to May 2021, using contact monitoring data. The secondary attack rate among household contacts was lower for fully vaccinated than unvaccinated index cases (11% vs 31%),

Read more about it at HealthMap Global Disease Alerts via http://healthmap.org/ln.php?8579489&promed&0

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