Abstract
The article is devoted to prominent epidemiologist and microbiologist, corresponding member of the Russian Academy of
Medical Sciences, prominent representative of the Russian school of leptospirology Ananyina Yulia Vasilyevna (1946—2018). The study of
archival materials, the involvement of literary sources allowed to significantly supplement the biography, expand the understanding of
her scientific and social activities. The achievements of the leptospirosis laboratory of the Scientific Research Center for Epidemiology and
Microbiology are highlighted N. F. Gamalei of the Ministry of Health of Russia during the period when the laboratory was headed by Yu. V.
Ananyina. Her role in the preservation and replenishment of the collection of leptospira, which is of international importance, was noted.