American scientists from the University of Tafts found that city rats were actively distributed by leptospirosis bacteria – a potentially fatal disease under the urine of rodents. The study was published scientifically magazine PLOS neglected tropical diseases (Plos NTD).
The team analyzed 328 rats from 17 locations of Boston City and found an infection in 18% of individuals.
Rats carry stable leptospira bacteria while moving between fields.
In 2018, genetic analysis confirmed the direct relationship between the rats and the cases of human infection. Grazni populations rarely get confused, overcoming only 600 meters, but construction and large highways force them to migrate further.
Leptospirosis usually masks under a slight fever that is often not diagnosed. However, in severe cases, it leads to multiple organ failure. Risk groups are homeless in contact with rats.
Researchers have developed a new way to develop bacteria from frozen examples, which made it possible to examine the strains in detail.
Scientists Emphasis: It is impossible to completely destroy the rats, but the control of their migration will help to reduce the risks of citizens.
Previously, researchers induced About the risk of global invasion of mice in big cities.
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Source: Gazeta
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