Table 1.

Microfilaria and anti-Brugia IgG4 antibody positivity according to age groups in Pubudugama and Wedamulla, Sri Lanka

Age group (years)	Number (%) screened		Number (%) positive for LF
	Pubudugama	Wedamulla	NBS number (%)		BRT Number (%)
			Pubudugama	Wedamulla	Pubudugama	Wedamulla
1–5	90 (19.3)	88 (16.7)	0	0	0	0
6–10	96 (20.6)	101 (19.2)	0	0	1 (1.04)	1 (0.99)
11–20	91 (19.5)	118 (22.4)	1(Bm) (1.1)	0	1 (1.09)	3 (2.56)
21–50	97 (20.8)	109 (20.7)	1(Wb) (1.03)	0	0	1 (0.92)
>  51	93 (19.9)	111 (21.1)	0	0	0	2 (1.8)
Total	467 (47.9)	527 (53.0)	2 (0.43)	0	2 (0.43)	7 (1.34)

Abbreviations: Bm B. malayi, Wb W. bancrofti, NBS night blood smear, BRT Brugia rapid test