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Synopses

Malaria Reemergence in the Peruvian Amazon Region

Javier Aramburú Guarda,* César Ramal Asayag,* and Richard Witzig†
*Loreto Department of Public Health, Iquitos, Peru; and †Johns Hopkins School of Hygiene and Public Health, Baltimore, Maryland, USA


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Figure 1: The department of Loreto and the city of Iquitos in Peru.


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Figure 2: Malaria incidence in Loreto, 1992–1997.


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Figure 3. Malaria (all species) incidence in Loreto by month, 1994–1997.


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Figure 4: Annual parasite index in Loreto, by district (per 1,000 population).


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Figure 5. A. Age-adjusted incidence rates for Plasmodium falciparum malaria in Loreto, 1996-1997. B. Age-adjusted death rates for Plasmodium falciparum malaria in Loreto, 1996-1997.


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Figure 6: Plasmodium falciparum malaria incidence in Loreto. A. Average Amazon River level at Iquitos by month. B. Precipitation at Iquitos by month. C. Average temperature (°C) at Iquitos by month.


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Figure 7: Initial Plasmodium falciparum malaria treatment schemes in Loreto by district. Treatment efficiency* (cases cured/cohort number x 100) and efficacy** (cases cured/[cases cured + resistant cases] x 100) shown for each treatment scheme region. Treatment schemes: Primary-chloroquine; secondary-pyrimethamine-sulfadoxine; tertiary-quinine.

 

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