How Thailand eliminated lymphatic filariasis as a public health problem

Rojanapanus, Sunsanee; Toothong, Tanaporn; Boondej, Patcharida; Thammapalo, Suwich; Khuanyoung, Naraporn; Santabutr, Weena; Prempree, Preecha; Gopinath, Deyer; Ramaiah, Kapa D.

doi:10.1186/s40249-019-0549-1

Infectious Diseases of Poverty

Table 3 Details of interim surveys done in provinces endemic for Wuchereria bancrofti

From: How Thailand eliminated lymphatic filariasis as a public health problem

Province	Year	Age group	Antigen survey^a								Microfilaria (mf) survey
Province	Year	Age group	Number of IUs surveyed	Total population in IUs surveyed	Total number of people tested in IUs surveyed	Number of IUs with positive result	Total number of population in IUs where found positive	Total number of people tested in IUs where found positive	Positive case	Highest prevalence observed in IUs surveyed (range)	Number of IUs surveyed	Total population in IUs surveyed	Total number of people tested in IUs surveyed	Number of IUs with positive result	Total number of population in IUs where found positive	Total number of people tested in IUs where found positive	Positive case	Highest prevalence observed in IUs surveyed (range)
Mae Hong Son	2002	All	0	0	–	0	0	0	0	0	15	2724	2122	2	509	509	9	2.4% (1.0–2.4%)
	2003	All	14	2485	1733	2	318	245	5	3.2% (0.8–3.2%)	1			1	84	52	0	1.9%
	2004	All	12	1909	1538	0	0	0	0	0	0	–	0	0	0	0	0	0
	2005	All	3	651	403	0	0	0	0	0	8	1182	753	0	0	0	0	0
Chiang Mai	2004	All	0	0	0	0	0	0	0	0	1	977	159	0	0	0	0	0
Chiang Mai	2005	All	1	646	31	0	0	0	0	0	1	1240	326	0	0	0	0	0
Lamphun	2003	All	0	0	0	0	0	0	0	0	2	2985	655	0	0	0	0	0
	2004	All	0	0	0	0	0	0	0	0	2	2072	738	0	0	0	0	0
	2005	All	1^b	982	75	0	0	0	0	0	1	982	623	0	0	0	0	0
Tak	2002	All	20	5694	4242	2	903	408	3	2.6% (0.3–2.6%)	1	458	46	0	0	0	0	0
	2003	All	26	6034	4795	2	194	145	6	10.4% (1.0–10.4%)	6	2535	1840	0	0	0	0	0
	2004	All	13	2496	2786	6	1671	1283	13	6.7% (0.2–6.7%)	3	632	382	0	0	0	0	0
	2005	All	8^b	2386	240	1	331	284	1	0.4%	11^b	3145	2358	0	0	0	0	0
Ratchaburi	No survey data
Kanchanaburi	2002	All	38	14 410	9311	6	3497	2292	28	2.2% (0.5–2.2%)	0	0	0	0	0	0	0	0
	2003	All	8	2991	2523	1	240	164	11	6.7%	4	1342	1319	0	0	0	0	0
	2004	All	8	3575	2696	0	0	0	0	0	6	1152	982	0	0	0	0	0
	2005	All	12	4524	543	2	327	252	6	2.5% (2.2–2.5%)	10	4197	3546	0	0	0	0	0
Ranong	No survey data

IUs: Intervention units
^aAntigen assessment, which is more sensitive than mf assessment, could not be adopted in every survey due to immunochromatographic test (ICT) card supply constraints
^bThese IUs used both ICT card & mf detection

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ISSN: 2049-9957

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