Table 1.

Results of apparent prevalence and true prevalence of FMDV non-structural proteins antibodies from sera collected in different sample locations in northern, central, and southern Laos between September 2017 and March 2018.

Province	District	Village	Samples tested	Number positive	Apparent prevalence (%) (95% CI)
Northern Laos			300	48	16.0 (11.8–20.1)
Borkeo			76	38	50.0 (38.7–61.2)
	Hoauyxay		76	38	50.0 (38.7–61.2)
		Houaytoum	25	9	36.0 (17.2–54.8)
		Namtoy	25	13	52.0 (32.4–71.6)
		Thongseng	26	16	61.5 (42.8–80.2)
Luang Namtha			74	1	1.4 (0.0–3.9)
	Viengphoukha		74	1	1.4 (0.0–3.9)
		Khampon	16	0	0.0
		Namkieng	25	1	4.0 (0.0–11.7)
		Phadeng	23	0	0.0
		Phoulad	10	0	0.0
Luang Prabang			75	0	0.0
	Pakou		75	0	0.0
		Hadkham	25	0	0.0
		Hadkor	25	0	0.0
		Somsanouk	25	0	0.0
Xayabouli			75	9	12.0 (4.6–19.3)
	Phieng		75	9	12.0 (4.6–19.3)
		Naboum	25	9	36.0 (17.2–57.8)
		Nongheung	25	0	0.0
		Pakthang	25	0	0.0
Central Laos			216	28	12.9 (8.5–17.4)
Khoummoune			80	22	27.5 (17.7–37.3)
	Nakay		33	10	30.3 (14.6–46.0)
		Oudoumsouk	28	6	21.4 (6.2–36.6)
		Phonpadpaek	5	4	80.0 (44.9–100)
	Yommalad		47	12	25.5 (13.1–38.0)
		Nadan	28	6	21.4 (6.2–36.6)
		Phonkeo	19	6	31.6 (10.6–52.5)
Savannakhet			60	5	8.3 (1.3–15.3)
	Songkone		60	5	8.3 (1.3–15.3)
		Bengkhamlai	19	1	5.2 (0.0–15.3)
		Sabouxay	19	1	5.2 (0.0–15.3)
		Xebanghieng	22	3	13.6 (0.00–27.9)
Xieng Khouang			76	1	1.3 (0.0–3.8)
	Phoukhoud		76	1	1.3 (0.0–3.8)
		Bong	25	0	0.0
		Naxay	26	1	3.8 (0.0–11.2)
		Phouvieng	25	0	0.0
Southern Laos			75	1	1.3 (0.0–3.9)
Champasak			75	1	1.3 (0.0–3.9)
	Pathoumphone		75	1	1.3 (0.0–3.9)
		Nakok	25	0	0.0
		Nalan	25	0	0.0
		Paktouay	25	1	4.0 (0.0–11.7)
Total			591	77	13.0 (10.3–15.7)