An acute febrile illness of tropical regions, caused by a flavivirus (Yellow fever virus) and spread by certain mosquitoes, characterised by jaundice, black vomit and the absence of urination.

(pathology) An illness caused by the bacterium serovar Salmonella Typhi. Not to be confused with typhus.

(pathology) Any of a variety of acute infectious intestinal diseases resembling typhoid fever but less severe, caused by eating food contaminated with certain bacteria of the genus Salmonella.

(medicine) An extremely contagious and often fatal illness caused by the Ebola virus, characterised by fever and internal bleeding, contracted through infected body fluids.

(medicine) An acute, and often fatal, viral infection endemic to West Africa. Symptoms include fever, sore throat, muscle aches, a skin rash, headache, abdominal pain, vomiting, diarrhoea, ulcers, heart and kidney failure.

(medicine) A streptococcal infection, mainly occurring among children, and characterized by a red skin rash, sore throat and fever.

(Australia, slang, obsolete, derogatory) Any illness feigned by convicts to avoid being sent to Botany Bay.

(medicine) An acute infectious disease, caused by the microorganism Rickettsia quintana (now Bartonella quintana) and transmitted by the louse Pediculus humanus, that affected very many soldiers during World War I.

(pathology) A fever, following childbirth or abortion, due to infection of the uterus.

(pathology) Coccidioidomycosis, a mammalian fungal disease caused by Coccidioides immitis or Coccidioides posadasii.