Why the new COVID-19 mutations may not spread as fast as you fear
Jared Polis speaks to the media on May 8, 2019, in Highlands Ranch, Colorado. - Michael Ciaglo/Getty Images North America/TNS

As if 2020 needed any more alarming headlines, each day brings news about the new “mutant” strain of the coronavirus identified in Great Britain, where health officials have proclaimed that it spreads far more readily than the microbe that has been crisscrossing the globe for months. Well, maybe. Scientists who study the biology of viruses say that so far, there is no proof that this new strain is more transmissible, only what amounts to circumstantial evidence. Human behavior and random chance also could explain the sudden emergence of the strain which, given that it was identified in a Color...