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I’m reading that the new strain of COVID-19 is 70% more transmissible. What does this mean? How transmissible was the first strain?

Infection and Spread

A: “Transmissibility” in infectious disease means how readily it is passed from one person to another, given the peculiarities of a specific time and place (in this case, in the UK this Fall). Transmissibility is measured in numbers with something called R-value. The R-value for the old SARS-CoV-2 variant was hovering right around 1 (in Read more…