During the study experts found that since August 2019 number of vehicles in hospital car parks has increased dramatically. The peak occurred in December 2019. It was also found that approximately three weeks before the first confirmed cases COVID-19 to the end of 2019, the Chinese search engine Baidu has been a surge of search queries with the words “cough” and “diarrhoea”.
“Although we can’t confirm whether the increased number (of vehicles on Parking lots – approx. “RG”) directly to the new virus, our data confirm other recent work that shows that (COVID-19 – approx. “RG”) appeared before it found at the seafood market “huanan”,” told CNN chief innovative Director of the Boston children’s hospital John Braunstein.
According to his words, especially pay attention trends search queries as “scientists now know that these gastrointestinal symptoms are a very important symptom COVID-19 “.
He also added that the findings support the hypothesis of natural occurrence of the virus in southern China and that it “potentially was already circulating at the time, when there was a flash in Wuhan”.
