| [occurrence of leptospira serovars in old foci of leptospirosis]. | in two old natural foci of leptospiroses in an eastern slovakian area an epidemiological investigation was made to detect persisting carriership in basis reservoirs-small mammals and the contact with leptospirae in population groups with an occupational risk. using the microagglutination reaction (mar), the authors examined 1,106 small mammals and detected in 50 cases, i.e. 4.5%, the presence of specific antibodies against leptospirae, most frequently in species apodemus agrarius and ap. flavico ... | 1994 | 8019818 |