An initial examination of the epidemiology of malaria in the State of Roraima, in the Brazilian Amazon Basin

An initial examination of the epidemiology of malaria in the State of Roraima, in the Brazilian Amazon Basin

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This study firstly describes the epidemiology of malaria in Roraima, Amazon Basin in Brazil, in the years from 1991 to princess polly dresses long sleeve 1993: the predominance of plasmodium species, distribution of the blood slides examined, the malaria risk and seasonality; and secondly investigates whether population growth from 1962 to 1993 was associated with increasing risk of malaria.Frequency of malaria varied significantly by municipality.Marginally more malaria cases were reported during the dry season (from ilootpaperie October to April), even after controlling for by year and municipality.Vivax was the predominant type in all municipalities but the ratio of plasmodium types varied between municipalities.

No direct association between population growth and increasing risk of malaria from 1962 to 1993 was detected.Malaria in Roraima is of the "frontier" epidemiological type with high epidemic potential.