Word: vivax
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Dates: during 1960-1969
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...high of 160). A total of 213 cases was reported; of those, only six were of the "benign tertian" or vivax type. All other cases were caused by the far more virulent parasite, Plasmodium falciparum, which sets off violent fevers and may make a fatal attack on the brain, spleen or other organs...
...Cong terrorists began to take aim at the malaria fighters; since then, at least twelve have been killed and 58 are missing. Upland malaria is the more dangerous variety. On the coastal plains, three out of four cases are of the "benign tertian" variety caused by the parasite Plasmodium vivax, and only one case out of four is "malignant tertian," caused by Plasmodium falciparum. In the hills, the proportions are reversed. Falciparum malaria usually does not last as long as the vivax form-only weeks or months, instead of years-but it is far more disabling while it lasts...