Table 1. Results of serological testing of ruminants against Brucella spp. in Kafr El Sheikh governorate, Egypt.

Samples		No. tested	No. seropositve (AP)	TP (95% CI)	No infected villages* (%)	True prevalence of infected villages* (95% CI)
Serum	Sheep	791	82 (10.4%)	12.2% (8.4–16.0)	21 (52.5%)	41.3% (26.1–56.7)
	Goats	383	37 (9.7%)	11.3% (7.8–14.8)	15 (37.5%)	32.2% (17.8–46.7)
Milk tanks	Cattle	188	22 (11.7%)	12.2% (7.0–13.3)	10 (25%)	15.1% (4.0–26.2)
	Buffaloes	173	20 (11.6%)	12.0% (7.1–13.0)	10 (25%)	15.1% (4.0–26.2)

Results of testing of small ruminant serum samples and cattle and buffalo milk tank samples for the presence of antibodies against Brucella spp. in Kafr El Sheikh governorate, Nile Delta, Egypt (2008).

AP: Apparent seroprevalence.

TP: True seroprevalence.

*Villages with at least one seropositive sheep or goat or milk tank.