from BBC News - World https://ift.tt/2Ax1ezc
Saturday, July 4, 2020
Coronavirus: What makes a gathering a ‘superspreader’ event?
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
from BBC News - World https://ift.tt/2Ax1ezc
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