Coronavirus have become more infectious due to a mutation of DNA, warned the Hong Kong scholar, citing a recent study.
Professor of the medical school of the University of Hong Kong, Gabriel Leung said that after the mutation in strain COVID-19 its infectiousness increased by one third. This means that each infected person can potentially transmit the virus to four others, reports the South China Morning Post.
According to the latest data, the number of people infected with coronavirus during the whole period of the pandemic exceeded 12 million, died more than 550 thousand.
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