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Table 3 Secondary Attack Rate by Setting

From: Child transmission of SARS-CoV-2: a systematic review and meta-analysis

  Childcare (6a) Household (22b) Social Event (5) School (13c) All Settings
Child to Child Transmission (N) 26/365 85/169 13/84 65/2304 149/2630
Child to Child SAR (%) 7.1% 50.3% 15.5% 2.0% 5.7%
Child to Adult Transmission (N) 53/167 159/338 15/73 50/426 208/789
Child to Adult SAR (%) 31.7% 47.0% 20.6% 11.7% 26.4%
  1. a1 study excluded due to missing data
  2. b10 studies excluded due to missing data
  3. c6 studies excluded due to missing data