Transitional cell carcinoma of the bladder accounts for 90% of bladder cancers. Smoking and bladder irritation (e.g. bladder stones) increase the risk.
Ebola virus is a severe, often fatal infection transmitted by blood or skin contact. It causes fever, fatigue, headache and later gastrointestinal symptoms.
Severe acute respiratory syndrome (SARS) is a contagious lung infection which causes bleeding in the lungs and severe breathing difficulty. It can be fatal.