Serology and Reverse transcription-PCR results for the 543 enrolled children according to contact with a person (adult or child) with confirmed and/or suspected COVID-19
| Enrolled children | |||||
| Overall, N=543* | Positive serology, n=63 | Negative serology, n=480 | Positive Reverse transcription-PCR SARS-CoV-2, n=11 | Negative Reverse transcription-PCR SARS-CoV-2, n=532 | |
| Contact | |||||
| Confirmed COVID-19† | 93 (17.1) (14.1 to 20.6) | 29 (31.2) (22.0 to 41.6) | 64 (68.8) (58.4 to 78.0) | 5 (5.4) (1.8 to 12.1) | 88 (94.6) (87.9 to 98.2) |
| Suspected COVID-19‡ | 175 (32.2) (28.3 to 36.3) | 26 (14.9) (9.9 to 21.0) | 149 (85.1) (79.0 to 90.0) | 4 (2.3) (0.6 to 5.7) | 171 (97.7) (94.3 to 99.4) |
| Confirmed/suspected COVID-19 | 268 (49.4) (45.1 to 53.6) | 55 (20.5) (15.9 to 25.9) | 213 (79.5) (74.1 to 84.1) | 9 (3.4) (1.5 to 6.3) | 259 (96.6) (93.7 to 98.5) |
| No contact | 275 (50.6) (46.4 to 54.9) | 8 (2.9) (1.3 to 5.7) | 267 (97.1) (94.3 to 98.7) | 2 (0.7) (0.1 to 2.6) | 273 (99.3) (97.4 to 99.9) |
Data are n (%) (95% CI).
*543 available data among 605 enrolled patients.
†Confirmed by Reverse transcription-PCR SARS-CoV-2.
‡Suspected symptoms suggestive of COVID-19 because of the limited availability of testing.