BNT162b2 Vaccine Effectiveness against Omicron in Children 5 to 11 Years of Age | NEJM

BNT162b2 Vaccine Effectiveness against Omicron in Children 5 to 11 Years of Age | NEJM

Data Source Clalit Health Services (CHS) is the largest integrated health care service provider in Israel, with more than 4.7 million active members. CHS maintains a comprehensive health care data warehouse that combines hospital and community medical records, including laboratory and imaging data and data on medication use and health care utilization. Covid-19–related data are …

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