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athlete's foot	a common contagious skin infection characterized by itching and scaling, and caused by fungi that thrive in warm moist places, such as between the toes.
bull nose	a contagious disease in pigs caused by a bacterial infection and marked by a kind of swelling in the snout and mouth that destroys tissue.
chicken pox	a contagious viral disease, usu. of children, that produces fever and skin eruptions.
diphtheria	a severe contagious bacterial infection whose symptoms are high fever and difficulty in breathing.
epidemic	spreading rapidly to a great many individuals in a locality, as a contagious disease. [1/4 definitions]
foot-and-mouth disease	a severe, very contagious disease of animals such as sheep and cattle, characterized by fever and blisters in the mouth and around the feet or hooves, the teats, and the udder; hoof-and-mouth disease.
German measles	a mild contagious viral disease, characterized by swollen glands, fever, and a rash, and dangerous to fetuses in the first three months of pregnancy.
glanders	(used with a sing. verb) a contagious disease of horses, mules, and the like that is communicable to humans and is characterized by a mucous discharge from the nostrils and ulcers or swellings in the respiratory tract and lymph nodes.
gonorrhea	a contagious venereal disease, involving inflammation of the genital organs and urinary tract, transmitted mainly by sexual intercourse.
hog cholera	a contagious and usu. fatal viral infection that affects swine with fever, sluggishness, and other disorders.
infection	an agent causing such contamination or invasion, such as a contaminated substance or contagious disease. [1/5 definitions]
influenza	an acute, contagious disease in various forms, caused by a virus in humans and in some animals and characterized by inflammation of the respiratory tract, irritation of the stomach, and fever; flu.
itch	a tingling sensation or irritation of the skin that prompts the desire to scratch, or any of several contagious diseases that cause such an irritation. [1/8 definitions]
lazaretto	a hospital specializing in the treatment of those with contagious diseases, esp. leprosy. [1/2 definitions]
mange	any of various contagious skin diseases caused by parasitic mites, characterized by hair loss, itching, and skin eruptions, and affecting dogs and other mammals including humans.
measles	(used with a sing. or pl. verb) a very contagious but short-lived disease, usu. affecting children, that is caused by a virus and accompanied by fever and an eruption of red spots on the skin. [1/2 definitions]
noncontagious	combined form of contagious.
on fire	pursuing or performing with great and contagious passion, energy, and motivation. [1/3 definitions]
pinkeye	a contagious inflammation of the inner part of the eyelids, characterized by reddened eyes; conjunctivitis.
pinta	a contagious skin disease of the tropics, characterized by variously colored spots, that is caused by a spiral-shaped bacterium.
plague	a highly contagious and usually fatal disease caused by the bacterium Yersinia pestis in which victims suffer high fever, chills, and severe exhaustion. [1/6 definitions]

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