Coronavirus: What makes a gathering a ‘superspreader’ event? July 03, 2020 at 05:05PMhttps://https://ift.tt/31DludA How can a two-hour choir practice lead to 53 Covid-19 infections? We ask an expert.

How can a two-hour choir practice lead to 53 Covid-19 infections? We ask an expert.

from BBC News - World https://ift.tt/2Ax1ezc