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The transmission of pathogens from animals to humans is the cause of the appearance of the majority of newly emerging diseases. The purpose of this review is to assess the danger of zoonotic pathogens of dangerous and especially dangerous viral infectious diseases as potential agents of pandemics. Materials and methods . The paper presents an analysis of data published in domestic and English-language scientific publications, as well as posted on the Internet. The research method is analytical. The discussion of the results . At least 70 % of all emerging diseases have a zoonotic reservoir. The exponential growth of human activity in previously undeveloped territories determines the increasing influence of zoonotic pathogens. The infection of people with zoonotic pathogens occurs in direct and indirect contact with infected animals and surfaces contaminated with their secretions, transmissible transmission through arthropod bites, food transport through the consumption of contaminated food and drinking water. Two different transmission models have been established among zoonoses from wild animals to man. One of these models assumes, that human infection is a random event with a low probability, in the future, the pathogen is transmitted from person to person. In the second model, direct or vector-mediated pathogen transfer from animal to human is a link in the natural cycle of the pathogen. The risk of transmission of the virus from the zoonotic reservoir to humans is the highest in animal species adapted to human habitats. Conclusions. The highest level of danger as a source of zoonotic diseases represent primates, ungulates, carnivores and especially bats, which are natural reservoirs for a number of dangerous and especially dangerous viral diseases. Representatives of families Poxviridae, Ortomyxoviridae and Coronaviridae have already been caused pandemics, which caused enormous damage to all spheres of human activity. These pathogens can be considered as the most likely agents of future pandemics.
Сизикова et al. (Tue,) studied this question.