Anopheles plumbeus | Anopheles gambiae Ngousso | ||||||||
---|---|---|---|---|---|---|---|---|---|
Day of observationa | Exp. 1 | Exp. 2b | Exp. 3 | Exp. 4 | Exp. 1 | Exp. 2 | Exp. 3 | Exp. 4 | |
Prevalence (%) of midgut infection (no. positive / no. analysed) | 8 | 67 | ndc | 40 | 4 | 100 | 100 | 87 | 73 |
(20/30) | (12/30) | (1/24) | (30/30) | (30/30) | (26/30) | (22/30) | |||
15 | 75 | 15 | 43 | 10 | 100 | 100 | 67 | 70 | |
(36/48) | (2/13) | (22/51) | (7/70) | (32/32) | (24/24) | (20/30) | (21/30) | ||
Intensity of infection: Mean no. of oocysts / positive femaled (range) | 8 | 8.9 ± 6.3 | ndc | 50.4 ± 56.0 | 12.0 ± 0 | 42.4 ± 28.2 | 71.5 ± 63.3 | 29.5 ± 23.5 | 13.7 ± 13.6 |
(2–25) | (1–171) | (12) | (3–122) | (1–233) | (1–74) | (1–48) | |||
15 | 5.3 ± 4.9 | 2.0 ± 0 | 28.8 ± 14.4 | 2.4 ± 2.1 | 22.4 ± 25.2 | 44.8 ± 36.4 | 26.4 ± 23.7 | 10.7 ± 10.1 | |
(1–18) | (2) | (4–63) | (1–6) | (1–112) | (1–146) | (1–79) | (1–45) | ||
Prevalence (%) of females with sporozoitese (no. positive / no. analysed) | 15 | 83 | 31 | 88 | 57 | 97 | 88 | 67 | 70 |
(40/48) | (4/13) | (45/51) | (40/70) | (31/32) | (21/24) | (20/30) | (21/30) | ||
Intensity of infection: Mean no. sporozoites / positive femalef (no. analysed) | 15 | 1,620 | ndc | 108 | ndc | 11,178 | 25,623 | 15,755 | 950 |
(12) | (15) | (30) | (30) | (30) | (30) |