Vector competence of Aedes aegypti in transmitting Chikungunya virus: effects and implications of extrinsic incubation temperature on dissemination and infection rates

Table 3 Dissemination rates of CHIKV to the legs and head in Coastal and Western Kenya Ae. aegypti reared at Extrinsic Incubation Temperature of 26 and 32 °C

				Number infected^(b)		Dissemination rates (%) ^(c)
Region	Number of midgut infections ^(a)	EIT	DPI	Legs	Head	Legs	Head
Coastal Region	106	26 °C	7	19	11	17.9	10.4
			10	27	3	25.5	2.8
			13	18	3	17.0	2.8
	103	32 °C	7	7	3	6.8	2.9
			10	21	17	20.4	16.5
			13	30	27	29.1	26.2
Western Kenya	34	26 °C	7	9	9	26.5	26.5
			10	4	6	11.8	17.6
			13	7	7	20.6	20.6
	87	32 °C	7	25	22	28.7	25.3
			10	15	7	17.2	8.0
			13	23	20	26.4	23.0

Dissemination rate (c) for legs or head in that order is provided as [(b dived by a) × 100 %] where numerator b corresponds to number of infected legs or head respectively

ISSN: 1743-422X