Epidemiological aspects of malaria in the Astrakhan region for the period from 1996 to 2019
The epidemiological situation of malaria incidence in the Astrakhan region from 1996 to 2019 is analyzed. During this period, 163 cases of human malaria were registered in the Astrakhan region. The largest number (134 (82,2 %)) cases of malaria were reported between 1996 and 2002. Since 2002, there has been a downward trend in the incidence of malaria from11 (6,7%) in 2002 to 1 (0,6%) in 2019. Cases of malaria were registered between the ages of 5 months and 70 years, including 41 (25,2%) children aged 5 months to 17 years and 122 (74,8%) cases in adults. At the same time, 91 (74,6%) adults employed in various industries were in the group of people of working age. Three-day malaria was registered in 153 (93,3%) people, 8 (4,9%) people - tropical malaria and 1 (0,6%) - four-day and ovale-malaria, respectively. In the Astrakhan region, 141 (86,5%) people registered imported malaria from both the Commonwealth of Independent States and the African continent. In addition to imported malaria, 11 (6,7%) cases reported secondary malaria from imported malaria. The percentage of repeat cases was 11 people. All cases of malaria were diagnosed on the basis of epidemiological history, clinical picture and laboratory studies. Thus, in recent years, isolated cases of imported malaria have been registered in the Astrakhan region. Both children and adults are susceptible to the disease. Malaria was imported to the Astrakhan region mainly from Azerbaijan, Tajikistan and countries of the African continent.