The authors of the study say that although it cannot be said with certainty that the increase in vehicle traffic is directly related to Covid-19, the evidence “supports other recent work showing that the emergency occurred before identification. in fish market of Wuhan “at the end of December.
“These findings also confirm the hypothesis that the virus emerged naturally in southern China and that it was potentially already in circulation at the time of the Wuhan cluster,” says the report. “Something was happening already in October – said John Brownstein of the Boston Children’s Hospital -. Clearly, a certain level of social unease was taking place well before the start of the pandemic was identified. “