New scientific studies show that the rivers and lakes in the midst of the epidemic COVID-19 is better in any case not to approach. A group of researchers from Britain and Poland published a Preprint, where it is stated: a new type of coronavirus in contact with river water can survive for up to 25 days.
At the same time, scientists estimate, for infection COVID-19 in the reservoir the necessary concentration in the ratio of 100 viral particles per 100 milliliters of water.
After the outbreak of coronavirus in China air water droplets (aerosols) was identified as the main route of transmission, although other routes of transmission are likely to exist.
“We quantitatively evaluated the survival of the virus SARS-CoV-2 in water and the risk of exposure to contaminated water in 39 countries. We found that the virus can remain stable in water for up to 25 days, and the relative risk of infection from sewage in a particular country depends on the environment.
the faecal contamination of rivers, waterways and water systems in countries with high levels of infection can provide an infectious dose of more than 100 copies in 100 ml of water. Discuss the implications for freshwater systems, coastal marine environment and the revival of the virus,” the researchers write.
And yet, as told to the observer “MK” Director of the Institute for medical Parasitology, tropical and vector-borne diseases to them. E. I. martynovskogo sechenovskiy University Alexander Lukashev, special reasons for concern: “In this article we studied the stability of infectious (live) virus, and only the presence of genetic material of the virus. The presence of RNA suggests that the virus is live.
So, we can study the DNA of a mammoth of the mummies older than 10 thousand years, but not talking about the risk of invasion of mammoths.
Then the article made an invalid extrapolation: using known data about the safety of adenovirus, that is, the more stable the virus. Finally, even with these gross inaccuracies in the temperature at which the water can swim, the virus would not survive for long. So you can swim safely. And drink water of unknown origin is not recommended to coronavirus”.