Table 2

Incidence of COVID-19 in school students and staff by potential route of transmission, South Korea, February–December 2020

Potential route of transmissionKindergartensPrimary schoolsSecondary schoolsTotal
N (%)N (%)N (%)N (%)
Students
 Schools23 (9.0)93 (5.5)203 (9.7)319 (7.9)
 Households192 (75.3)1233 (72.6)1094 (52.3)2519 (62.3)
 Community29 (11.4)298 (17.5)536 (25.6)863 (21.3)
 Unidentified11 (4.3)75 (4.4)258 (12.3)344 (8.5)
 Subtotal255169920914045
Staff
 Schools13 (13.8)35 (7.4)63 (7.9)111 (8.1)
 Households39 (41.5)87 (18.3)129 (16.1)255 (18.6)
 Community29 (30.9)298 (62.7)536 (66.8)863 (62.9)
 Unidentified13 (13.8)55 (11.6)74 (9.2)142 (10.4)
 Subtotal944758021371
Total349217428935416