birdwatcher (birdwatcher) wrote,
birdwatcher
birdwatcher

Из того же источника

MADRID (Reuters) - Spanish virologists have found traces of the novel coronavirus in a sample of Barcelona waste water collected in March 2019, nine months before the COVID-19 disease was identified in China, the University of Barcelona said on Friday.
https://www.medrxiv.org/content/10.1101/2020.06.13.20129627v1 -- SARS-CoV-2 was detected in Barcelona sewage long before the declaration of the first COVID-19 case, indicating that the infection was present in the population before the first imported case was reported.
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