Differential contribution of Anopheles coustani and Anopheles arabiensis to the transmission of Plasmodium falciparum and Plasmodium vivax in two neighbouring villages of Madagascar

Table 1 Prevalence of Plasmodium infections in asymptomatic individuals assessed by RDT, microscopy and real-time PCR

		RDT				Microscopy				Real-time PCR
		T1	T2	T3	Total	T1	T2	T3	Total	T1	T2	T3	Total
Ambohitromby	n	173	79	99	351	173	79	99	351	173	79	99	351
	Positive	13	10	5	28	9	3	3	15	20	12	10	42
	Prevalence (%)	7.5	12.7	5.1	8.0	5.2	3.8	3.0	4.3	11.6	15.2	10.1	12.0
Miarinarivo	n	122	65	52	239	122	65	49	236	122	65	52^a	239
	Positive	9	7	3	19	7	3	3	13	14	12	2	28
	Prevalence (%)	7.4	10.8	5.8	7.9	5.7	4.6	6.1	5.5	11.5	18.5	3.8	11.7
Prevalence of Plasmodium infections in the two villages		7.5	11.8	5.3	8.0	5.4	4.2	4.1	4.8	11.5	16.7	7.9	11.9

^a12 blood spots on filter paper have not been properly preserved. The same individuals were involved during the transversal parasitological study including the three methods of malaria diagnostic
Notes: In Ambohitromby, a total of 173, 79 and 99 samples were analysed for T1, T2 and T3 respectively. In Miarinarivo, a total of 122, 65 and 52 samples were analysed for T1, T2 and T3, respectively, except at T3 were only 49 smears were read as 3 slides were unreadable
Abbreviations: n, sample size

ISSN: 1756-3305