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Seasonal malaria chemoprevention (SMC) - Malaria ConsortiumBurkina FasoBauchi, NigeriaBorno, NigeriaKebbi, NigeriaKogi, Nigeria
Nasarawa, Nigeria
Plateau, NigeriaSokoto, NigeriaTogoChadFCT, NigeriaOyo, NigeriaMozambique
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Funding allocation
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Percentage of total program costs covered by Malaria Consortium89%86%86%86%86%86%86%86%87%89%86%86%89%
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Percentage of total program costs covered by other philanthropic actors1%4%4%4%4%4%4%4%2%0%4%4%0%
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Percentage of total program costs covered by domestic governments10%10%10%10%10%10%10%10%10%11%10%10%11%
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Number of children treated with SMC with a hypothetical donation
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Donation to Malaria Consortium (arbitrary size)$100,000$100,000$100,000$100,000$100,000$100,000$100,000$100,000$100,000$100,000$100,000$100,000$100,000
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Total amount spent on the program by all contributors$112,712$116,218$116,218$116,218$116,218$116,218$116,218$116,218$114,406$111,812$116,218$116,218$111,812
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Cost per SMC cycle administered$1.48$1.40$1.40$1.40$1.40$1.40$1.40$1.40$1.50$1.81$1.40$1.40$1.81
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Average number of SMC cycles per year4.34.04.04.05.05.05.04.04.04.05.05.04.0
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Cost per child treated with all cycles of SMC$6.35$5.61$5.61$5.61$7.01$7.01$7.01$5.61$5.98$7.24$7.01$7.01$7.24
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Total number of children treated in one year17,73920,71620,71620,71616,57216,57216,57220,71619,13015,44316,57216,57215,443
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SMC effectiveness from RCTs
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Rate ratio for malaria cases (intention to treat effect)0.250.250.250.250.250.250.250.250.250.250.250.250.50
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Corresponding reduction in clinical malaria among children targeted75%75%75%75%75%75%75%75%75%75%75%75%50%
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Internal validity adjustment — SMC95%95%95%95%95%95%95%95%95%95%95%95%95%
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External validity adjustment — SMC100%100%100%100%100%100%100%100%100%100%100%100%100%
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Estimated coverage in trials considered in GiveWell's meta-analysis90%90%90%90%90%90%90%90%90%90%90%90%90%
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Expected reduction in malaria cases among children treated79%79%79%79%79%79%79%79%79%79%79%79%53%
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Baseline mortality rate
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In this section, we estimate all-cause mortality rates and the fraction of all-cause mortality that is expected to come from malaria deaths in targeted populations.
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Percent of 3- to 59-month old deaths due to malaria—using 2019 GBD data
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Number of under-5 deaths from malaria (per year)16,3953,5941,7083,1418012,2583,1824,9191,8804,5261,8821,8573,007
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Number of "Early neonatal" (0-6 days) deaths from malaria (per year)0000000000000
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Number of "Late neonatal" (7-27 days) deaths from malaria (per year)683786784499816010882208113156120
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Number of "Post neonatal" (28-364 days) deaths from malaria (per year)5,1365143625012505849227275751,4025916581,570
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Mortality rate from malaria in each month of life for 1-2 month olds compared to 3-11 month olds
1.01.01.01.01.01.01.01.01.01.01.01.01.0
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Number of annual malaria deaths in post-neonatal period in each monthly age bracket46747334623538466521275460143
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Number of malaria deaths in 1-2 month olds (per year)93493669145106168132105255107120285
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Number of remaining malaria deaths in 3-59 months olds (per year)14,7793,4231,5742,9657062,0542,8544,6791,6944,0631,6621,5822,602
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Percentage of annual under-5 malaria deaths that occur in 3-59 month olds90%95%92%94%88%91%90%95%90%90%88%85%87%
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Under-5 mortality rate from malaria (per 100,000 child years)405256178332240299210361169136187262305
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Estimated population of 3-59 month olds3,839,2691,334,161909,765899,110316,719717,6801,436,5831,293,0561,058,1583,163,187954,911673,196936,486
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Mortality rate from malaria for 3-59 month olds (per 1,000 child years)3.82.61.73.32.22.92.03.61.61.31.72.32.8
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Mortality by age group
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Malaria deaths in 3- to 59-month olds14,7793,4231,5742,9657062,0542,8544,6791,6944,0631,6621,5822,602
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Malaria deaths, all ages (GBD)26,3054,5453,0944,6072,4714,4506,8936,2475,4367,1944,4187,0276,890
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Ratio of malaria deaths at all ages to malaria deaths at 3- to 59-months178%133%196%155%350%217%242%134%321%177%266%444%265%
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Malaria prevalence
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Malaria prevalence (Age 1-4)37%12%14%53%17%26%19%43%33%10%8%36%35%
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Malaria prevalence (Age 5-9)38%12%15%55%18%27%20%44%34%10%8%37%35%
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Malaria prevalence (Age 10-14)36%12%14%51%17%25%19%41%31%10%8%34%35%
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Malaria prevalence (Age 5-14)37%12%14%53%17%26%19%42%33%10%8%35%35%
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Mortality reduction in treated population
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3- to 59-month old mortality caused directly by malaria (per 1,000 child-years)3.82.61.73.32.22.92.03.61.61.31.72.32.8
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Ratio of indirect malaria deaths per direct malaria death0.750.750.750.750.750.750.750.750.750.750.750.750.75
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Malaria-attributable deaths in target population (per 1,000 child-years)6.74.53.05.83.95.03.56.32.82.23.04.14.9
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Proportion of annual direct malaria mortality occurring in high-transmission season70%70%70%70%70%70%70%70%70%70%70%70%52%
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Malaria-attributable deaths per 1000 under-5's during high-transmission season4.73.12.14.02.73.52.44.42.01.62.12.92.5
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Ratio of the reduction in malaria mortality to the reduction in malaria incidence100%100%100%100%100%100%100%100%100%100%100%100%100%
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Malaria-attributable deaths prevented per 1000 under-5's treated3.72.51.73.22.22.81.93.51.61.21.72.31.3
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Malaria-attributable deaths averted in treated population (after internal and external validity adjustments)
66.451.734.966.435.946.132.072.929.819.328.037.920.5
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Value assigned to averting the death of an individual under 5 from malaria116116116116116116116116116116116116116
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Total units of value from mortality reduction among treated population7,7186,0074,0527,7224,1765,3613,7218,4723,4612,2423,2604,4012,379
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Mortality reduction in untreated population
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Reduction in malaria incidence for treated population in Cisse et al. 201660%60%60%60%60%60%60%60%60%60%60%60%60%
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Reduction in malaria incidence for untreated population in Cisse et al. 201626%26%26%26%26%26%26%26%26%26%26%26%26%
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Unadjusted expected reduction in malaria cases in untreated population as a percentage of the reduction in the treated population
43%43%43%43%43%43%43%43%43%43%43%43%43%
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Ratio of malaria deaths at all ages to malaria deaths in 3- to 59-month olds178%133%196%155%350%217%242%134%321%177%266%444%265%
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Malaria-attributable deaths averted in the untreated population per 1000 under-5's treated (before adjustments)
1.30.40.70.82.31.41.20.51.50.41.23.40.9
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Malaria-attributable deaths averted in untreated population (before adjustments)22.47.314.615.938.923.319.610.628.56.420.256.514.6
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Adjustment to account for higher proportion of people being covered in the trial than in targeted population
31%31%31%31%31%31%31%31%31%31%31%31%31%
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Malaria-attributable deaths averted in untreated population (after adjustments)7.02.34.54.912.17.26.13.38.82.06.217.54.5
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Value assigned to averting the death of an individual 5 or older from malaria73737373737373737373737373
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Total units of value from mortality reduction among untargeted population5091673313628835294452406471464571,281332
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Total mortality reduction
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Malaria-attributable deaths averted in treated and untreated populations73.353.939.471.448.053.338.176.238.621.334.355.425.0
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Long-term income increases for children currently aged 14 and under
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Malaria prevalence (Age 1-4)37%12%14%53%17%26%19%43%33%10%8%36%35%
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Malaria prevalence (Age 5-14)37%12%14%53%17%26%19%42%33%10%8%35%35%
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Percentage point reduction in malaria prevalence in treated population after adherence and coverage adjustments (Age <5)
22%7%8%31%10%15%11%25%19%6%5%21%10%
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Percentage point reduction in malaria prevalence in untreated population after adherence and coverage adjustments (Age 5-14)
3%1%1%4%1%2%2%3%3%1%1%3%1%
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Population in country age 1-43,159,82026,401,07126,401,07126,401,07126,401,07126,401,07126,401,07126,401,071887,1252,593,74026,401,07126,401,0714,037,237
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Population in country age 5-146,348,44660,226,43760,226,43760,226,43760,226,43760,226,43760,226,43760,226,4372,032,7814,977,42160,226,43760,226,4378,658,113
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Size of untreated population (5-14 year-olds exposed to spillovers)35,64047,25747,25747,25737,80537,80537,80547,25743,83629,63537,80537,80533,118
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Reduction in the number of people infected with malaria at a single point of time (Age<5)3,854.751,4661,7356,4641,6792,5421,8695,1603,6569197753,4551,544