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

Table 3

Number of RVF seropositive animals and number of replaced animals during the different sampling periods in Naivasha.

Animal type	Sampling period
	January 2010	May 2010	June 2010	January 2011	July 2011	December 2011
Sheep ()	4 (59)	0 (59)	1 (59)	3 (59)	1 (59)	0 (59)
Goat ()	1 (47)	0 (47)	0 (47)	1 (47)	1 (47)	1 (47)
Number replaced	18	34	39	13	14	0

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