Presadiretta Sars-Cov-2– Identikit of a killer

St 2021/22
Where does Sars-Cov2 come from? How did a virus that most likely comes from a bat in the far south of China get to Wuhan, a city in the middle of the country, 1000 kilometres away ? What kind of research was done at the Wuhan Institute of Virology? Could this virus have come out of a laboratory?"
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