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The Covid-19 virus may have started spreading through China as early as autumn 2019 – months before Beijing officials reported the country’s first case, a study by Harvard Medical School suggests.By analysing satellite images, researchers at the university discovered “a dramatic increase†in the number of cars parked outside six major Wuhan hospital in September, with a peak in traffic in December.“Individual hospitals have days of high relative volume in both fall and winter 2019. However, between September and October 2019, five of the six hospitals show their highest relative daily volume of the analyzed series,†the study states.Sharing headlinesThe...
