Surveillance efforts after mass drug administration to validate elimination of lymphatic filariasis as a public health problem in Vanuatu

Table 2 Results of sentinel and spot check site surveys by village, 1998–2011

EU	Province	Island	Village^a	CFA prevalence by ICT (number tested)
				1998	2002	2004	2005/2006	2008	2010
1	Torba	Vanua Lava	Sola	9.7% (31)	1.2% (165)		0.0% (154)
			Mosina	10.7% (28)	4.0% (76)		0.0% (80)
			Vetimbuso				6.0% (60)
	Malampa	Ambrym	North Ambrym 13–15 villages			19.1% (551)		2.3% (1368)^b
		Ambrym	Unmet	52.0% (100)	20.0% (208)
		Malekula	Lingarak		0.0% (218)
		Malekula	Orap	4.0% (100)	1.3% (224)
2	Penama	Ambae	Sakau	45.8% (48)	27.2% (92)		0.0% (61)
			Redcliffe		39.5% (129)		0.0% (132)
			Nanako					0.0% (123)
		Maewo	Baitora	77.8% (72)			4.8% (84)
		Maewo	Nasawa	20.7% (121)			4.1% (121)
		Pentecost	Beimateli/ Londar	43.9% (155)			6.1% (213)
			Point Kross					3.9% (333)^c
			Wanur	35.0% (60)	8.6% (58)		2.3% (88)
3	Shefa	Efate	Ebule						0.0% (91) ^d
	Tafea	Tanna	Port Resolution	7.1% (98)	1.3% (300)		0.0% (135)		0.0% (50) ^d
	Tafea	Erromango	South River	13.9% (65)	6.2% (65)		0.0% (100)

^aOriginal sentinel site villages are shown in italics. In sentinel sites in 2002, only persons aged over 10 years were tested
^bAlso tested: 3–6 year olds in 13 North Ambrym villages, 2008: 0.0% (188); only combined data available
^cAlso tested: 3–6 year olds in 4 Pentecost villages (Barmateli/Londar, Namaram, Point Kross, and Wanur), 2008: 0.0% (86); only combined data available
^dThese surveys done in 6–7 year old children only, as part of TAS 3

ISSN: 1349-4147