Lymphatic filariasis in Brazil: epidemiological situation and outlook for elimination

Parasites & Vectors

Table 1 Entomological studies conducted to survey Culex quinquefasciatus females harboring infective Wuchereria bancrofti larvae in historical lymphatic filariasis foci in Brazil

City/State	Local	Number of examined*	Number of females with larvae L₃ (%)	Reference
Recife/PE	Neighbours of parasitized individuals***	7,856	48 (0.61)	[12]
Olinda/ PE	Neighbours of parasitized individuals***	8,003	105 (1.31)	[12]
Jaboatão de Guararapes/PE	Neighbours of parasitized individuals***	8,010	97 (1.21)	[12]
Maceió/AL	Feitosa district	1,321	28 (2.1)	[13]
Maceió/AL	Jacintinho district	529	2 (0.4)	[13]
Maceió/AL	House of parasitized individuals-Feitosa district	467	16 (3.4)	[14]
Maceió/AL	Neighbours of parasitized individuals-Feitosa district***	1,426	21 (1.5)	[14]
Maceió/AL	House of parasitized individuals- Jacintinho district	564	6 (1.1)	[14]
Maceió/AL	Neighbours of parasitized individuals-Jacintinho***	1,403	4 (0.3)	[14]
Maceió/AL	House of parasitized individuals-endemic area	675	1 (0.15)	[15]
Maceió/AL	Parasitized neighbours-endemic area***	1,802	1 (0.055)	[15]
São José Ponta Grossa/SC	Random localities	624	0 (0.0)	[16]
Belém/ PA	57 districts	24,463	0 (0.0)	[17]
Belém/ PA	31 historically endemic districts	26,400**	0 (0,0)	[18]
Salvador/BA	22 historically endemic districts	23,580**	0 (0,0)	[19]

* Females examined by dissection and microscopy or ** by Polymerase Chain Reaction (PCR).
*** Neighbouring dwellings at 20 meters to the left or right of microfilaremic carriers houses.

ISSN: 1756-3305