Table 3. Demographic characteristics of surveillance participants and SARS-CoV-2 testing results after COVID-19 incorporation into acute febrile illness surveillance systems in Belize, Kenya, Ethiopia, Peru, and Liberia, 2020–2021*.
| Variables |
Belize |
Kenya |
Ethiopia |
Peru |
Liberia |
| Data collection period |
2020 Mar–2021 Jul |
2020 May–2021 Sep |
2021 Feb–Aug |
2021 Feb–Oct |
2021 Apr–Jul |
| Total no. enrolled patients |
1,627 |
3,113 |
115 |
344 |
302 |
| Sex† | |||||
| M | 788 (48) | 1,487 (48) | 65 (57) | 178 (52) | 131 (43) |
| F | 839 (52) | 1,626 (52) | 30 (26) | 166 (48) | 171 (57) |
| Unknown sex |
0 |
0 |
20 (17) |
0 |
0 |
| Age groups, y† | |||||
| <5–14 | 473 (29) | 2,507 (81) | 2 (2) | 9 (3) | 141 (47) |
| 15–44 | 817 (50) | 502 (16) | 51 (44) | 228 (66) | 113 (37) |
| 45–64 | 231 (14) | 75 (2) | 22 (19) | 81 (24) | 41 (14) |
| >65 | 106 (7) | 29 (1) | 20 (17) | 26 (8) | 7 (2) |
| Unknown age |
0 |
0 |
20 (17) |
0 |
0 |
| Tested for SARS-CoV-2, y‡ | |||||
| <5–14 | 349 (74) | 1,734 (69) | 2 (100) | 9 (100) | 90 (64) |
| 15–44 | 709 (87) | 341 (68) | 51 (100) | 218 (96) | 85 (75) |
| 45–64 | 207 (90) | 56 (75) | 22 (100) | 81 (100) | 33 (80) |
| >65 | 97 (92) | 20 (69) | 20 (100) | 26 (100) | 7 (100) |
| Unknown age | 0 | 0 | 20 (100) | 0 | 0 |
| Total |
1,362 (84) |
2,151 (69) |
115 (100) |
334 (97) |
215 (71) |
| SARS-CoV-2 positive, y§ | |||||
| <5–14 | 18 (5) | 45 (3) | 0 | 0 | 9 (10) |
| 15–44 | 77 (11) | 31 (9) | 5 (10) | 27 (12) | 9 (11) |
| 45–64 | 38 (18) | 8 (14) | 6 (27) | 16 (20) | 6 (18) |
| >65 | 18 (19) | 3 (15) | 8 (40) | 8 (31) | 1 (14) |
| Unknown age | 0 | 0 | 3 (15) | 0 | 0 |
| Total | 151 (11) | 87 (4) | 22 (19) | 51 (15) | 25 (12) |
*Participants were enrolled during the indicated periods and sorted by the month data collection began. AFI, acute febrile illness. †No. (%) participants out of total enrolled. ‡No. (%) enrolled participants who were tested for SARS-CoV-2 in each age group. §No. (%) tested participants with positive SARS-CoV-2 samples in each age group.