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Word: quartan (lookup in dictionary) (lookup stats)
Dates: during 1940-1949
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Usage:

...protozoa which cause the disease are carried by about 60 kinds of mosquitoes and are of four main varieties, each producing its own form of malaria: 1) Plasmodium vivax produces the mildest disease, benign tertian malaria; 2) P. malariae bring on quartan malaria, the most difficult to eradicate; 3) P. falciparum produces dangerous malignant tertian malaria; 4) P. ovale produces symptoms similar to those of benign tertian malaria...

Author: /time Magazine | Title: Medicine: No Cure for Malaria | 2/1/1943 | See Source »

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