Table 1

Summary of studies describing reduction in malaria in sub-Saharan Africa
Country /region^reference	Years of study	Measure of reduction	Reported reduction	Reported Reasons

Sub-Saharan Africa¹	1985 to 1999; 2000 to 2007	Parasite prevalence abstracted from over 2,000 sources	15% (average) reduction	No reason given
Coastal Kenya²	1999 to 2007	Malaria specific hospital admissions	63%, 53% and 28% reduction in 3 district hospitals	Malaria control interventions
Ifakara, Tanzania³	1995 to 2000	Incidence of malaria in < 5 year old children	Reduced from 0.8 to 0.43 episodes per child per year	Economic improvements, liberalisation of health sector and malaria control interventions
Zanzibar, Tanzania⁴	2003 to 2006	Parasite prevalence	97% reduction	Artemisinin Combination Therapy and Insecticide Treated Nets
Mozambique, South Africa and Swaziland⁵	2000–2004	Parasite prevalence	> 60% fall in parasite prevalence in all 3 zones studied	Indoor residual spraying
Guinea-Bissau⁶	1994 versus 2003/2004	Parasite prevalence	Reduced from 44–79% to 3%	Untreated bed nets and urbanisation
Eritrea⁷	2000 to 2004	Incidence of clinical malaria and case fatality rate reported by health facilities	Decrease in malaria incidence of 83.3% and case fatality by from 0.21 to 0.14%	Climate change and malaria control methods (ITNs, IRS and early case detection and treatment)

Gosling et al. Malaria Journal 2008 7:132 doi:10.1186/1475-2875-7-132