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Resurgence of SARS-CoV-2 Infection in a Highly Vaccinated Health System Workforce
Ist Teil von
The New England journal of medicine, 2021-09, Vol.385 (14), p.1330-1332
Ort / Verlag
United States: Massachusetts Medical Society
Erscheinungsjahr
2021
Quelle
MEDLINE
Beschreibungen/Notizen
From March through July 2021, a total of 227 health care workers at UCSD, 57% of whom were fully vaccinated, tested positive for SARS-CoV-2; the delta variant was the dominant isolate. No deaths were recorded. Vaccine effectiveness fell from over 90% in March to 65.5% in July. A trend was observed for greater risk as a function of time since full vaccination.