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Chinese scientists: stronger coronavirus mutations exist
Specialists from China talk about the existence of more aggressive strains of coronavirus. Scientists, having studied samples of various coronavirus mutations from eleven patients from Hangzhou, found out how quickly different strains destroy human cells.
As the RIA News with reference to the MedRxiv portal, the pathogenesis of COVID-19 may vary depending on the strain of its pathogen, SARS-CoV-2 coronavirus.
The authors of a study from the University of Zhejiang concluded that the most aggressive mutations were the same as in Italy and Spain, and the weaker ones were the same as in the USA.
Scientists from China claim that they were the first to prove that a mutation of the coronavirus can lead to a change in the pathogenesis of the disease. Thus, the most aggressive strains of the pathogen COVID-19 are able to reach 270 times the viral load than the weakest strains.
However, weaker coronavirus mutations do not guarantee a speedy recovery. Fatal outcome is possible for all groups of people. Researchers cite the example of two patients from Zhejiang, thirty and fifty years old: both were diagnosed with a virus with a weak mutation, each had a severe course of the disease. Both recovered, but an older patient had to be put in intensive care.
Coronavirus SARS-CoV-2, originally recorded in China, has spread almost worldwide. According to the latest data from the World Health Organization, the number of cases almost reached 2,3 million, 155 thousand people died.