| Month | Rate (per 1000 consultations) | |
|---|---|---|
| GOPC | PMP clinics | |
| Jan | 20.7 | 9.6 |
| Feb | 23.2 | 12.2 |
| Mar | 20.5 | 10.0 |
| Apr | 21.2 | 12.0 |
| May | 23.6 | 11.3 |
| Jun | 27.1 | 21.2 |
| Jul | 27.2 | 19.1 |
| Aug | 27.8 | 18.0 |
| Sep | 26.1 | 17.0 |
| Oct | 24.9 | 12.7 |
| Nov | ||
| Dec | ||
Note:
The CHP has started to use electronic data on diagnosis coding of patients of the Hospital Authority's General Out-patient Clinics for sentinel surveillance since January 2020, replacing manual data collection in the past.