The Impact of Mass Drug Administration on Lymphatic Filariasis

Table 2

Microfilaria and antigenic cases at baseline and after MDA implementation reported by lymphatic filariasis (LF) studies.

Reference, country	Diagnostic method	Baseline LF cases (N)		LF cases (N); years of MDAI
		Mf	Antigen	Mf	Antigen
[14], Mali	Thick blood film & ICT	—	244 (1139)	—	0 (760); 6
[15], American Samoa	Thick blood smear & ICT	—	483 (3018)	5 (1881); 6	43 (1881); 6
[16], Egypt	Thick blood smear, ICT & RACT	115 (1000)	190 (1000)	2 (1000); 5	27 (1000); 5
[17], Sierra Leone	Thick blood film	214 (8233)	—	18 (6023); 3	—
[18], Sierra Leone	Thick blood film	214 (8233)	—	23 (4230); 5	—
[20], Egypt	Thick blood film & ICT	274 (1877)	612 (1877)	22 (1828); 5	144 (1828); 5
[21], India	Thick blood film	678 (14963)	—	4 (6649); 3	—
[19], Nigeria	Thick blood smear & ICT	206 (4198)	527 (2439)	15 (1720); 7–10	127 (1720); 7–10
[22], Tanzania	Counting chamber	225 (919)	—	68 (674); 3	—
[23], Tanzania	Finger-prick blood & ICT counting chamber & ICT	—	210 (888)	—	101 (953); 3
					49 (855); 4
[24], Tanzania	Counting chamber & ICT	225 (919)	—	11 (393); 6	77 (393); 6
[25], Tanzania	Counting chamber & ICT	225 (919)	—	20 (60); 8	69 (422); 8
[26], Indonesia	Thick blood smear & ICT	193 (2165)	47 (722)	5 (1776); 3	10 (871); 3
[27], Papua New Guinea	Membrane filtration & RACT	106 (757)	265 (558)	7 (529); 3	93 (543); 3

Cases based on Mf antigen using the immunochromatographic test (ICT) or rapid-format antigen card test (RACT); Mf, microfilaria; N, sample size; MDAI, mass drug administration implementation; —: data not available.