RGD uses the Human Disease Ontology (DO, https://disease-ontology.org/) for disease curation across species. RGD automatically downloads each new release of the ontology on a monthly basis. Some additional terms which are required for RGD's curation purposes but are not currently covered in the official version of DO have been added. As corresponding terms are added to DO, these custom terms are retired and the DO terms substituted in existing annotations and subsequently used for curation.
A tularemia that is located_in lungs. The bacteria are transmitted_by breathing dusts or aerosols containing the organisms. The infection has_symptom cough, has_symptom chest has_symptom pain, and has_symptom difficulty breathing. (DO)