[risk approach in the diagnosis of malaria in high altitude regions]. | sixteen cases of malaria are reported per thousand inhabitants per year in kayanza, a province in the high plateaux of burundi. a case control study was conducted between october 1990 and march 1991 to better document this phenomenon. the majority of confirmed cases presented in persons who had recently sojourned in an endemic area (relative risk = 18). all except one of the other patients were carriers of plasmodium species that can cause late recurrences, which is compatible with the absence o ... | 1993 | 8368893 |