A SEROEPIDEMIOLOGIC STUDY OF MALARIA IN THE REPUBLIC OF THE PHILIPPINES BY THE INDIRECT HEMAGGLUTINATION TEST1

1 December 1970

journal article
research article
Published by Oxford University Press (OUP) in American Journal of Epidemiology

Vol. 92 (6) , 376-381
https://doi.org/10.1093/oxfordjournals.aje.a121220

Abstract

Mathews, H. M. (Parasitology Section, CDC, Atlanta, Ga. 30333), J. A. Fried, and I. G. Kagan. A seroepidemiologic study of malaria in the Republic of the Philippines by the indirect hemagglutination test.Amer. J. Epid., 1970, 92: 376–381.—Sera from residents of the Republic of the Philippines were tested by an indirect microhemagglutination test for the presence of antibodies to malaria. The antigen employed was prepared from Plasmodium knowlesi maintained in rhesus monkeys, and serum titers of 1: 16 or greater were considered positive. Positive reactors were found in all parts of the three provinces studied. The percentage of positive reactors in three areas in Cotabato was much higher than surrounding communities. Analysis of the data supports the distribution pattern of malaria as determined by malaria surveillance methods.

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