claim: preprint finds differences in sars-related terms on chinese social media two weeks before first known covid19 case
evidence_1: one such tool, the global public health intelligence network (gphin), identified the sars outbreak in china in 2003 more than two months earlier.", "view this figure the baidu index results for \"feidian,\" \"sars,\" \"pneumonia,\" and \"coronavirus\" rose rapidly on december 30, 2019, the day before the outbreak announcement.", "the wechat index hits for \"coronavirus\" rose the day before the outbreak was announced, with a peak on the day of the announcement, followed by another peak after the novel coronavirus was officially announced as the causative pathogen of the outbreak by china cdc (figure 1)."
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  )