Baidu’s “Fever” search
Without mass testing, Chinese government data on Covid-19 became unreliable. Baidu’s index for the search term “fever” in Zhengzhou, Henan province, suggests the city experienced an outbreak in December.
After mass testing requirements were dropped, Chinese government data on Covid-19 became unreliable. Baidu’s index for the search term “fever” in Zhengzhou, Henan province suggest the city experienced an outbreak in mid-December.
