ORIGINAL RESEARCH

Biological contamination of water in Russian water bodies and its epidemiological significance

Evtodienko AM, Zdolnik TD
About authors

Pavlov Ryazan State Medical University, Ryazan, Russia

Correspondence should be addressed: Anastasia M. Evtodienko
Vysokovoltnaja ul., 9, Ryazan, 390026, Russia; ur.liam@okneidotve.piv

About paper

Author contribution: Evtodienko AM — data acquisition and processing; Evtodienko AM, Zdolnik TD — manuscript writing; Zdolnik TD — manuscript editing and approval.

Compliance with ethical standards: the informed consent was submitted by all study participants. The study was conducted in accordance with the principles of biomedical ethics.

Received: 2022-04-20 Accepted: 2022-05-25 Published online: 2022-06-30
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Fig. 1. Proportion of water samples from class I reservoirs that do not meet the standards by microbiological criteria in 2011-2020 (%).
Fig. 2. Proportion of water samples from water works prior to their supply through the distribution network that do not meet the hygienic standards by microbiological criteria in 2011-2020 (%).
Fig. 3. Proportion of water samples from the centralized water supply system that do not meet the hygienic standards by microbiological criteria in 2011-2020 (%).
Fig. 4. Proportion of water samples from the centralized water supply system that do not meet the hygienic standards by presence of lamblia cysts in 2011-2020 (%).
Fig. 5. Proportion of water samples from class II reservoirs that do not meet the hygienic standards by microbiological criteria in 2011-2020 (%).
Fig. 6. The incidence of acute intestinal infections in the Russian Federation in 2011-2020 (%)
Table. Characteristics of the incidence of certain types of intestinal infections