Saratov JOURNAL of Medical and Scientific Research

Significance of the sanitary-hygienic indicators of the water source quality for the assessment of the morbidity of infectious diseases

Year: 2014, volume 10 Issue: №3 Pages: 369-372
Heading: Hygiene Article type: Original article
Authors: Sergeva E.S.
Organization: Saratov State Medical University
Summary:

Aim: To define the most informative indicators of the water resources quality, which reflect the increased risk for the infectious diseases occurrence due to water. Material and Method: The water collection was performed from the rivers of the Saratov region. The retrospective analysis of indicators of the water quality and the morbidity level associated with water among the population has been performed. The statistical analysis has been performed by means of dispersion, regression and discrimination methods. Results: The rivers in this study belong to the water sources of the 2nd grade. We have identified the most polluted rivers with chemicals: Maly Usen, Medveditsa, Atkara; with microorganisms: Choper, Big Ysen, Big Irgis. The two statistic correlations have been found for the right bank of the Volga region; the three statistic correlations have been found for the left bank of the Volga region. Conclusions: The indicators of the chemical consumption of oxygen and of general coliform bacteria have been determined to be the most significant for the risk assessment of morbidity of acute intestinal infections.

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