The study was carried out by Professor Li Lanjuan and colleagues from Zhejiang University in Hangzhou, China and published in a non-peer reviewed paper released on website medRxiv.org on Sunday.
Li’s team analyzed the strains from 11 randomly chosen coronavirus patients from Hangzhou, where there have been 1,264 reported cases, and then tested how efficiently they could infect and kill cells.
More than 30 different mutations were detected, of which 19 were previously undiscovered.
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