Fig. 1From: Disease mentions in airport and hospital geolocations expose dominance of news events for disease concernsDisease terms retrieval. The disease terms were collected from the Disease class and its sub-classes. In the example “acute idiopathic thrombocytopenic purpura” is a sub-class of “idiopathic thrombocytopenic purpura”, and this disease is a sub-class of “idiopathic disease”Back to article page