Table.
Mosquito feeding results
| Number of observations | Number of feeds done | Number of infectious feeds | Number of mosquitoes dissected | Number of positive mosquitoes | |
|---|---|---|---|---|---|
| All age groups | |||||
| Total | 14 701 (100%) | 538 | 39 (7·2%) | 37 404 | 446 (1·2%) |
| No parasites detected by qPCR | 13 354 (90·8%) | 100 | 0 | 7152 | 0 |
| Sub-microscopic parasitaemia | 1068 (7·3%) | 313 | 14 (4·5%) | 21 855 | 53 (0·2%) |
| Microscopically detected parasitaemia | 241 (1·6%) | 101 | 24 (23·8%) | 6811 | 389 (5·7%) |
| Symptomatic malaria | 38 (0·3%) | 24 | 1 (4·2%) | 1586 | 4 (0·3%) |
| <5 years | |||||
| Total | 4111 (28·0%) | 44 | 6 (13·6%) | 2832 | 86 (3·0%) |
| No parasites detected by qPCR | 3968 (27·0%) | 18 | 0 | 1244 | 0 |
| Sub-microscopic parasitaemia | 94 (0·6%) | 11 | 0 | 618 | 0 |
| Microscopically detected parasitaemia | 37 (0·3%) | 8 | 6 (75·0%) | 486 | 86 (17·7%) |
| Symptomatic malaria | 12 (0·1%) | 7 | 0 | 484 | 0 |
| 5–15 years | |||||
| Total | 5910 (40·2%) | 351 | 32 (9·1%) | 24 466 | 350 (1·4%) |
| No parasites detected by qPCR | 5149 (35·0%) | 50 | 0 | 3692 | 0 |
| Sub-microscopic parasitaemia | 569 (3·9%) | 206 | 14 (6·8%) | 14 358 | 53 (0·4%) |
| Microscopically detected parasitaemia | 172 (1·2%) | 83 | 17 (20·5%) | 5658 | 293 (5·2%) |
| Symptomatic malaria | 20 (0·1%) | 12 | 1 (8·3%) | 758 | 4 (0·5%) |
| ≥16 years | |||||
| Total | 4680 (31·8%) | 143 | 1 (0·7%) | 10 106 | 10 (0·1%) |
| No parasites detected by qPCR | 4237 (28·8%) | 32 | 0 | 2216 | 0 |
| Sub-microscopic parasitaemia | 405 (2·8%) | 96 | 0 | 6879 | 0 |
| Microscopically detected parasitaemia | 32 (0·2%) | 10 | 1 (10·0%) | 667 | 10 (1·5%) |
| Symptomatic malaria | 6 (<0·1%) | 5 | 0 | 344 | 0 |
Data are n or n (%). A median of 69 (IQR 62–81) mosquitoes were examined for infection status per feed. The proportion of all observations reflects the occurrence of stated infection status and age group among all observations. qPCR=quantitative PCR.