Truck accident
In the figure below is visible a huge increase of tweets containing both the words "truck", "bridge" and all their synonyms on May 17. From the figure (in particular from the heat map) is also evident that such tweets are present only in the area surrounding the bridge where the accident occurred.
Gastrointestinal Outbreak
Inhalation Outbreak
Our application also enlightens the fact that on may 18 inhalation cases are posted. In the following days the rumors increase following the direction of the wind, at it is depicted in the figures above. The outbreak begins in downtown and goes to west the following days.
The keyword used for the search in the image is cough.
The keyword used for the search in the image is cough.