Healthcare

Coronavirus has mutated at least once into two strains, study finds

By Zach Halaschak
Published March 5, 2020 5:25pm ET
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Coronavirus has mutated at least once into two strains, study finds
Scientists believe there are at least two different strains of the COVID-19 virus causing illnesses. A preliminary study conducted at Peking University’s School of Life Sciences and the Institute Pasteur of Shanghai discovered that one strain of coronavirus, type L, accounted for about 70% of the cases in China and is much more aggressive than […]

Scientists believe there are at least two different strains of the COVID-19 virus causing illnesses.

A preliminary study conducted at Peking University’s School of Life Sciences and the Institute Pasteur of Shanghai discovered that one strain of coronavirus, type L, accounted for about 70% of the cases in China and is much more aggressive than the other strain, type S, which is milder and is the source of about 30% of the infections.

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China COVID-19 Science