Coronavirus cases may have existed before January in Italy: Researcher

Coronavirus cases may have already been present in January or even earlier in northern Italy and the Lombardy region, Stefano Merler, a researcher from the Bruno Kessler Foundation, a top research institute in Italy, told a media briefing on Friday.

In Lombardy, "there are hundreds of cases that had symptoms before February," he said at the media briefing. 

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