Most oral diseases and conditions share modifiable risk factors with the leading noncommunicable diseases (diabetes, cardiovascular diseases, cancer, chronic respiratory diseases and mental disorders). These risk factors include tobacco use, alcohol consumption and unhealthy diets high in free sugars.

Ebola diseases symptoms can be sudden. They include fever, fatigue, muscle, pain, headache and sore throat. This is followed by vomiting, diarrhoea, rash, symptoms of impaired kidney and liver function, and in some cases internal and external bleeding (e.g., oozing from the gums, blood in the stool).