Table 1.
Coronavirus Disease 2019 Admissions Incidence Risk Per 100 000 Population by Age Group (in Years) and Wave Period, South Africa, 5 March 2020–28 May 2022 (N = 397 082)
| Age Group, y (Population Size) | Incidence Risk Per 100 000 Population (Number of Admissions) | ||||
|---|---|---|---|---|---|
| Wave 1 D614G | Wave 2 Beta | Wave 3 Delta | Wave 4 Omicron BA.1/BA.2 | Wave 5 Omicron BA.4/BA.5 | |
| <1 (1 175 632) | 37.7 (443) | 72.9 (857) | 151.7 (1783) | 172.4 (2027) | 80.0 (940) |
| 1–4 (4 533 324) | 8.3 (375) | 15.2 (689) | 34.6 (1570) | 44.0 (1993) | 19.1 (868) |
| 5–18 (15 299 104) | 8.8 (1346) | 11.0 (1683) | 31.1 (4751) | 26.2 (4003) | 8.1 (1242) |
| 19–39 (21 624 489) | 71.0 (15 343) | 86.6 (18 737) | 134.2 (29 026) | 89.0 (19 245) | 16.7 (3602) |
| 40–59 (12 005 082) | 245.8 (29 506) | 344.3 (41 339) | 455.1 (54 634) | 113.7 (13 653) | 27.9 (3359) |
| 60+ (5 505 347) | 440.2 (24 235) | 768.7 (42 318) | 1012.7 (55 752) | 301.3 (16 589) | 94.1 (5180) |
| Total (60 142 978) | 118.5 (71 248) | 175.6 (105 623) | 245.3 (147 516) | 95.6 (57 510) | 25.2 (15 185) |