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Un rapporto del dipartimento dell'Energia USA ha concluso che la pandemia di Covid molto probabilmente è nata da una fuga in laboratorio. Lo riferisce il Wall Street Journal in esclusiva dopo aver preso visione della ricerca.
La metropoli cinese di Wuhan: epicentro della pandemia
In precedenza il dipartimento aveva dichiarato di non avere certezze su come si fosse sviluppato il virus. Anche l'FBI ha sempre sostenuto che il Covid fosse il frutto di un incidente nel laboratorio di Wuhan.
I primi casi conosciuti coinvolsero principalmente lavoratori del mercato umido di Wuhan, in cui si vendevano pesce e altri animali, anche vivi. Per questa ragione in un primo tempo l'OMS ipotizzò il coinvolgimento di animali vivi nella catena di trasmissione, tramite un salto di specie.
La prima segnalazione attribuibile al nuovo virus avvenne il 31 dicembre 2019, ma già l'8 dicembre comparvero i primi pazienti con malattia sintomatica. In tre anni il Covid-19 ha causato la morte di 6 milioni e 800'000 persone.
OMS, virus di origine animale
Telegiornale 09.02.2021, 20:00
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