| kala-azar in portugal. i. attempts to find a wild reservoir. | kala-azar is now increasing in portugal where it has been known since 1910. the natural region studied is made up of the western basins of the tejo and sado rivers with their important estuaries and the area south of lisbon. the climate and vegetation are mainly of the mediterranean type. kala-azar has always been endemic in the sub-region southwest of lisbon (45 cases from 1961 to 1978). in the setubal peninsula the disease has always had a low incidence (10 cases from 1961 to 1978). the alcáce ... | 1982 | 7097826 |