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Research reveals coronavirus now of two types, one is more aggressive

chuks oti

Mar 06, 2020

According to a joint study by researchers from multiple Chinese universities, the new coronavirus has split into two distinct strains, with one appearing to be far more aggressive.

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This new discovery could hinder attempts to develop a vaccine, as researcher at Peking University's School of Life Sciences and the Institute Pasteur of Shanghai, who looked at 103 genomes of SARS-CoV-2 and found the virus had evolved into two separate strains, known as "SÔÇØ and "LÔÇØ, with the "LÔÇØ type being newer, more prevalent and more aggressive.

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The older 'S-type' appears to be milder and less infectious, while the 'L-type' which emerged later, spreads quickly and currently accounts for around 70 percent of cases.

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Genetic analysis of a man in the US who tested positive on January 21, also showed it is possible to be infected with both types.

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In contrast, other experts in the field say the two types the Chinese researchers claimed to have identified were a result of both normal viral mutation and errors in data that they were relying on.

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— chuks oti

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