 Google Dengue Trends Google uses the query information to detect the dengue trends and it compares the results to the countries' official surveillance data. The primary research behind the Google Dengue Trend is found in Chan et al. 's work  .
<meaning-changed>  Google Dengue Trends Google uses the query information to detect the dengue trends and it compares the results to the countries' official surveillance data. The primary research behind the Google Dengue Trend is found in Chan et al. 's work  .
 Google Dengue Trends Google Flu Trends stopped publishing reports in 2015. .