| [the brazilian focus of onchocerciasis: new observations in the areas of the mucajaí and catrimâni rivers, territory of roraima]. | a recent survey for onchocerciasis conducted among the yanomami indians living on the middle reaches of the mucajaí and catrimâni rivers (territory of roraima) has failed to show any alteration in the local pattern of the disease. in fact, after a decade from the first surveys in these areas located at the periphery of the yanomami focus, the prevalence and the intensity of infection have not experienced a significant change. considering only the residents in the villages inside the surveyed are ... | 1986 | 3796275 |
| [mansonella ozzardi in the federal territory of roraima, brazil. distribution and finding of a new vector in the area of surumu river]. | a survey conducted among the makuxi indians from 15 settlements in the northeastern part of the territory of roraima, brazil, revealed the occurrence of mansonella ozzardi in 3,2% (21/652) of the persons examined. the absence of demonstrable infection--with one exception--in persons under 15 years of age, and the low microfilaria density in adults suggest that mansonelliasis has been acquired by the makuxi indians outside their villages. as many indians from the region pan gold on the upper maú ... | 1985 | 3915764 |