Epidemiological aspects of pediculosis in Astrakhan region

Abstract

Objective. To study and describe the clinical and epidemiological aspects of pediculosis in residents of Astrakhan Region for 2016–2020.

Materials and methods. In total, 1202553 cases of human infection with infectious and parasitic diseases were registered in Astrakhan Region during the analyzed period, of which pediculosis accounted for 0.4 % of all infectious diseases and 35.1 % (5380 cases) of all parasitic infestations. Cases of pediculosis were recorded in all age groups including children, who accounted for 74.6 % (4015 cases).

Results. Considering the number of registered cases of pediculosis for the period of 2016–2020, the largest number of cases was noted in 2016–2019 and amounted to 89 % (4789 cases). Cases of pediculosis have been recorded in both urban and rural areas. In total, 41.3 % (2220) cases of pediculosis were registered in the rural areas of Astrakhan Region during the analyzed period, of which the proportion of children was 77.7 % (1724 cases) of all registered cases of pediculosis in the rural areas and 42.9 % of all cases of pediculosis registered in children. The incidence of the urban residents is 1.4 times higher than that of the rural ones and is 58.7 % (3160 cases), of which the child population is 72.5 % (2291 people) of all cases of pediculosis registered in the urban areas and 57.1 % of all cases of pediculosis in children.

Conclusions. The epidemiological situation regarding pediculosis in Astrakhan Region remains very tense, as evidenced by the above indicators. The incidence of the urban residents is 1.4 times higher than that of the rural in Astrakhan Region. The most frequent cases of pediculosis are registered in children due to a large crowding of patients in various educational institutions, or epidemic outbreak in the class or school.

The results of the study. Considering the number of registered cases of pediculosis for the period 2016-2020, the largest number of cases was noted in 2016-2019 and amounted to 89% (4789 cases).

Cases of pediculosis have been recorded in both urban and rural areas. In total, 41.3% (2,220) cases of pediculosis were registered in rural areas of the Astrakhan region during the analyzed period, of which the proportion of children was 77.7% (1,724 cases) of all registered cases of pediculosis in rural areas and 42.9% of all cases of pediculosis registered in children.

The incidence of urban residents is 1.4 times higher than that of rural residents and is 58.7% (3160 cases), of which the child population is 72.5% (2291 people) of all cases of pediculosis registered in urban areas and 57.1% of all cases of pediculosis in children.

Conclusions. The epidemiological situation of pediculosis in the Astrakhan region remains very tense, as evidenced by the above indicators. The incidence of urban residents is 1.4 times higher than that of residents of rural areas of the Astrakhan region. The most frequent cases of pediculosis are registered in children, which may be due to a large crowding of patients in various educational institutions, or there may be an epidemic outbreak in the classroom or school.

Keywords

pediculosis / lice / crowding / social and living conditions of living

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