Population density and virus strains will affect how regions can resume normal life
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14 January 2021Population density and virus strains will affect how regions can resume normal life
As a new, apparently more transmissible version of the virus that causes COVID-19 has appeared in several countries, new research finds that the transmissibility of viral strains and the population density of a region will play big roles in how vaccination campaigns can help towns and cities return to more normal activities.
