To predict how the virus will spread, scientists need to look at a range of factors, including reproduction rates and the incubation period. FT science writer Anjana Ahuja explains. Read more at https://on.ft.com/2uQOfVS. See if you get the FT for free as a student (http://ft.com/schoolsarefree) or start a £1 trial: https://subs.ft.com/spa3_trial?segmentId=3d4ba81b-96bb-cef0-9ece-29efd6ef2132.
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