Table 1.

Summary of canine surveys in the intervention area of Pancas, Espírito Santo, Brazil in 2009–2011*

Outcome of the follow-up survey
Sampling interval	No. (%)	Sero-positive	Sero-negative	Removed (euthanized)	Died or moved
Dec 2009–July 2010
Pos.	38 (31)	5	9	21	3
Neg.	85 (69)	6	51		28
Total	123	11	60‡
July 2010–Oct. 2010
Pos.	25 (23)	2	8	13	2
Neg.	86 (77)	6	58		22
Total	111	8†	66‡
Oct. 2010–March 2011
Pos.	15 (14)	5	2	5	3
Neg.	94 (86)	21	37		36
Total	109	26†	39‡
March 2011
Pos.	37 (40)
Neg.	56 (60)
Total	(93)

^*Positive (Pos.) equals the total number of seropositive dogs in the follow-up group (†) plus new dogs that moved into the area that were seropositive. Negative (Neg.) equals the total number of seronegative dogs in the follow-up group (‡) plus new dogs that moved into the area that were seronegative.