Table 1

Main characteristics of the area and intervention in Ifakara and Manhiça


Ifakara
Manhiça

Years of intervention
1999–2001
2002–2004
Number of children randomized
701
1503
Incidence of malaria in placebo groupa
0.36
0.43
EIR*
29
38
Transmission
Perennial
Perennial with marked seasonality
IPTi regimen**
2, 3, 9
3, 4, 9
Iron supplementation**
2–6
-
1st line Malaria Treatment during study
SP
SP + AQ
ITN use
68%
0
HIV seroprevalence (at ANC)
6.7%
19%
Hb AS prevalence ***
12%
0
SP parasitological sensitivity#
69% (62/90)
78.6% (55/70)
SP ACR#
94% (84/89)
83% (67/81)

*EIR = Entomological inoculation rate

**months of age

*** hemoglobin AS genotype

# at day 14. ACR = adequate clinical response

a episode/child/year

Menendez et al. Malaria Journal 2007 6:132   doi:10.1186/1475-2875-6-132

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