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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