Hazards and Risks of Recreation Water Use: Vectors of International Studies. The Quality of Recreation Environments

English-language scientific publications regarding the assessment of hazards and risks in recreational water use have been generalized. International publication activity has been analyzed and mainstream and basic research lines of thematic studies have been identified. The results of studies of microbial pollution of water and sand on a beach, the behavior of microbial pathogens and their effect on the health of beach visitors, the hazard of blooming algae, sun, radiation, and estrogens for vacationers are briefly presented. Methods and technologies for assessing the pollution of beach media and the morbidity caused by swimming, as well as the promising lines of studying the effect of environmental factors on the fate of pollutants and transport of pollution in beach media are demonstrated.