. The American journal of tropical medicine. Fig. 2 over from Hayti. They all went out in the fields to cut the same time large numbers of Jamaicans were withdrawnfrom the outlying districts to be employed in transportationand other work in which they were much less exposed. The result is plainly evident in figures 2 and 3 which show theHaytian and the Jamaican malaria rates during the year. THE AMERICAN JOUBNAL OF TROPICA!, MEDICINE, VOL. I, NO. 6 386 N. NEDERGAARD Table 3 gives a suininary of the year as a whole. It will beseen that the percentage of infection is very much lower for
. The American journal of tropical medicine. Fig. 2 over from Hayti. They all went out in the fields to cut the same time large numbers of Jamaicans were withdrawnfrom the outlying districts to be employed in transportationand other work in which they were much less exposed. The result is plainly evident in figures 2 and 3 which show theHaytian and the Jamaican malaria rates during the year. THE AMERICAN JOUBNAL OF TROPICA!, MEDICINE, VOL. I, NO. 6 386 N. NEDERGAARD Table 3 gives a suininary of the year as a whole. It will beseen that the percentage of infection is very much lower for theCuban patients. This may be accounted for by the fact thatmost of the Cubans Hved in the towns and therefore were largelycared for in the cHnics and at their homes, thus leaving a greater. Fig. 3 proportion of non-medical cases among those admitted to thehospital. From the foregoing it would seem that malaria was responsiblefor nearly 50 per cent of the morbidity on the plantation. How-ever, the actual proportion should be put somewhat higher. MALAEIA IN EASTERN CUBA 387 Many patients had had quinine shortly before entering thehospital and as a result showed no parasites in the blood, althoughthey were suffering from the immediate consequences of , 87 per cent of the malaria cases were of the malignantor estivo-autunmal type which frequently shows few parasites,or none at all, in the circulating blood. It is not necessary to go into the symptomatology except toemphasize the great multiplicity of symptom complexes irxestivo-autunmal malaria. Attention may also be called to its TABLE 3 SEPTEMBER, 1920 TO AUGUST, 1921 Admissions. Bloods examined. Positive bloods. Tertian. Quartan jjJstivo-autumnal. 5453 5161 2458 25 28305
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttropica, bookyear1921
