Wed Mar 4 16:34:16 2020
<8f79fcda> <https://www.dailymail.co.uk/health/article-8073543/TWO-strains-killer-coronavirus-spreading-study-claims.html>
— TWO strains of the killer coronavirus are spreading, study claims
— Researchers in Beijing and Shanghai found the more aggressive strain appeared to have evolved from the other but has become less common since early January, with the older version returning.
