Determinar el origen de la pandemia es difícil. Prevenirla no debería serlo

https://ift.tt/R5VOd6g Coronavirus (2019-nCoV), Wildlife Trade and Poaching, Epidemics, Coronavirus Risks and Safety Concerns, Laboratories and Scientific Equipment By BY W. IAN LIPKIN from NYT En español https://ift.tt/px7D6Rq
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