Detection of Rift Valley Fever Virus Interepidemic Activity in Some Hotspot Areas of Kenya by Sentinel Animal Surveillance, 2009–2012

Table 4

Number of RVF seropositive animals and number of replaced animals during the different sampling periods at Marigat district.

Site	Animal type	Sampling period
		May 2009	November 2009	January 2010	April 2010	May 2010	April 2011	August 2011	October 2011	March 2012	May 2012
Ng’ambo	Sheep ()		11 (50)	10 (50)	1 (60)			1 (49)	12 (50)	5 (48)	3 (54)
	Goat ()		15 (48)	14 (48)	2 (55)			1 (49)	10 (46)	5 (52)	8 (46)
	Number replaced			8	21	42	22	24	—	—	—
Salabani	Sheep ()	1 (51)	4 (53)	7 (53)	0 (53)	0 (53)	3 (53)	0 (53)	1 (51)
	Goat ()	0 (25)	4 (25)	4 (25)	1 (25)	0 (25)	1 (25)	0 (25)	0 (25)
	Number replaced			9	17	15	14	27	—	—	—

Numbers in brackets indicate total number () sampled for each animal per sampling period.