Table 2. Characteristics of blood meals and mosquito feeding outcomes in study of Anopheles stephensi mosquitoes as vectors of Plasmodium vivax and falciparum, Horn of Africa, 2019*.
Characteristic |
Plasmodium species |
||
---|---|---|---|
P. vivax, n = 36 | P. falciparum, n = 7 | Mixed, n = 4 | |
Parasites/µL, median (IQR) | 7,783 (3,603–13,440) | 2,431 (867–8,756) | 4,516 (1,589–10,563) |
Gametocyte positivity, no. positive/no. sampled (%) | 25/34 (73.5) | 1/7 (14.3) | 1/4 (25.0). |
Infectious feeds, no. positive/no. sampled (%) | 26/36 (72.2) | 1/7 (14.3) | 2/4 (50.0) |
Infected An. stephensi mosquitoes, no. positive/no. sampled (%) | 446/849 (52.5 | 2.2 | 36/104 (34.6) |
Infected An arabiensis mosquitoes, no. positive/no. sampled (%) | 452/1,000 (45.2) | 18/200 (9.0) | 45/122 (36.9) |
Oocysts in infected An. arabiensis mosquito midgut, mean (range) | 22.8 (1–115) | NA | 3.1 (1–22) |
Oocysts in infected An. stephensi mosquito midgut, mean (range) | 24.1 (1–105) | NA | 2.8 (1–13) |
*Parasite and gametocyte densities were determined by microscopy; IQR, Interquartile range; NA, not available.