Measuring malaria endemicity from intense to interrupted transmission

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Measuring malaria endemicity from intense to interrupted transmission Dr Simon I Hay, DPhil, David L Smith, PhD, Prof Robert W Snow, PhD The Lancet Infectious Diseases Volume 8, Issue 6, Pages 369-378 (June 2008) DOI: 10.1016/S1473-3099(08)70069-0 Copyright © 2008 Elsevier Ltd Terms and Conditions

Figure 1 Malaria endemicity and classification, and timelines for action phases of the Global Malaria Eradication Programme The scheme derives details of the phase, approximate timings, action stage, and activity of the Global Malaria Eradication Programme1–3,5 and integrates these with malaria endemicity classifications defined by the host prevalence,12,13 vector stability indices,33 and the basic reproductive number (see webappendix).46 The year row presents an estimate of the duration of each phase (optimistic scenario–pessimistic scenario). API=annual parasite incidence. IRS=indoor residual spraying. PR=parasite rate. R0=basic reproductive number. RxCQ=radical treatment with chloroquine. *See table for parasitological criteria. The Lancet Infectious Diseases 2008 8, 369-378DOI: (10.1016/S1473-3099(08)70069-0) Copyright © 2008 Elsevier Ltd Terms and Conditions

Figure 2 Malaria endemicity and classification, and the mapping criteria of the Malaria Atlas Project19 The PfR0 (P falciparum basic reproductive number) values are calculated using the RM (Ross-Macdonald) and Smith transmission models (see webappendix for full details). IRS=indoor residual spraying. IPT=intermittent preventive therapy. ITN=insecticide-treated net. PfAPI=P falciparum annual parasite incidence. PfPR=P falciparum parasite rate. RxACT=radical treatment with artemisinin-combination therapy. The Lancet Infectious Diseases 2008 8, 369-378DOI: (10.1016/S1473-3099(08)70069-0) Copyright © 2008 Elsevier Ltd Terms and Conditions