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Table 5 Secondary attack rates by continent

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

  North America (13a) Asia (12b) Europe (13c) Australia (1)
Child-to-Child Transmission (#) 31/740 9/207 107/1085 2/198
Child-to-Child Secondary Attack Rate (%) 4.19% 4.35% 9.86% 1.0%
Child-to-Adult Transmission (#) 30/169 22/103 155/415 1/102
Child-to-Adult Secondary Attack Rate (%) 17.75% 21.4% 37.35% 1.0%
  1. a4 studies excluded due to missing data
  2. b5 studies excluded due to missing data
  3. c6 studies excluded due to missing data