Coronavirus emerged in Italy earlier than thought, study shows

COVID-19 | The new coronavirus was circulating in Italy since September 2019, a study by the National Cancer Institute (INT) of the Italian city of Milan shows, signalling that Covid-19 might have spread beyond China earlier than previously thought.

The World Health Organisation (WHO) has said the new coronavirus and Covid-19, the respiratory disease it causes, were unknown before the outbreak was first reported in Wuhan, in central China, in December...