Since epidemiological season in the Leningrad region to hospital for sucking mites asked 6858 people, including 1724 children under 17 years of age. Total registered 22 cases of tick-borne encephalitis virus, and 103 cases — tick-borne Lyme disease. Seroprevention emergency had to be in 1615 to introduce, mostly children.
— Sucking mites were recorded in all the districts. Insect activity and now. In the last week of the summer — from 26 August to 1 September, sought medical assistance for 258 people — reported to Rospotrebnadzor Leningrad.
At the same time, "Center for Hygiene and Epidemiology in the Leningrad region" investigated the tick borne encephalitis in 1917, taken from the people, of whom 87 identified insect virus. Tested in 1907 at Lyme ticks are positive — 343.