Table 2.
Comparison between the number of HFMD cases in 2020/2021 and average annual number of HFMD cases in 2015–2019 in Guangzhou
| 2015–2019 | 2020 | Relative reduction (%, 95% CI†) | 2015-2019b | 2021 | Relative reduction (%, 95% CI†) | |
|---|---|---|---|---|---|---|
| Overall | 68,872 | 13,224 | 80.80 (80.50, 81.09) | 42,798 | 36,353 | 15.06 (14.72, 15.60) |
| Male | 41,422 | 7485 | 81.93 (81.56, 82.30) | 25,752 | 20,740 | 19.46 (18.98, 19.95) |
| Female | 27,450 | 5739 | 79.09 (78.60, 79.57) | 17,046 | 15,613 | 8.41 (8.0, 8.84) |
| < 1 | 8403 | 1582 | 81.17 (80.32, 81.99) | 4692 | 2717 | 42.09 (40.68, 43.51) |
| 1 ~ 2 | 34,522 | 6384 | 85.51 (81.10, 81.92) | 20,104 | 13,677 | 31.97 (31.33, 32.62) |
| 3 ~ 4 | 21,602 | 4455 | 79.38 (78.84, 79.91) | 13,781 | 13,654 | 0.92 (0.77, 1.09) |
| ≥ 5 | 4346 | 803 | 81.52 (80.34, 82.65) | 2859 | 6305 | -120.53 |
| Living at home | 52,373 | 9480 | 81.90 (81.57, 82.23) | 32,061 | 22,677 | 29.27 (28.77, 29.77) |
| At kindergartens or childcare centers | 13,598 | 3095 | 77.24 (76.53, 77.94) | 8972 | 11,727 | -30.71 (-31.67, -29.76) |
| Others | 2897 | 647 | 77.67 (76.12, 79.15) | 1764 | 1949 | -10.49 (-12.01, -9.14) |
| COX A16 | 333 | 20 | 93.99 (90.90, 96.08) | 289 | 223 | 22.84 (18.37, 28.02) |
| EV 71 | 405 | 70 | 82.70 (78.73, 86.09) | 306 | 276 | 9.80 (6.95, 13.65) |
| Other enteroviruses | 1354 | 221 | 83.68 (81.62, 85.55) | 893 | 219 | 75.48 (72.55, 78.19) |
†CI confidence interval
bAverage number of HFMD from 1 January to 31 July in 2015–2019