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vaccination
vaccination means of producing immunity against pathogens, such as viruses and bacteria, by the introduction of live, killed, or altered antigens that stimulate the body to produce antibodies against more dangerous forms. Vaccination was used in ancient times in China, India, and Persia, and was ...
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whooping cough
whooping cough or pertussis, highly communicable infectious disease caused by the bacterium Bordetella pertussis. The early or catarrhal stage of whooping cough is manifested by the usual symptoms of an upper respiratory infection with bronchial involvement. After about two weeks the cough be...
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diphtheria
diphtheria , acute contagious disease caused by Corynebacterium diphtheriae (Klebs-Loffler bacillus) bacteria that have been infected by a bacteriophage. It begins as a soreness of the throat with fever. The bacteria lodge in the mucous membranes of the throat, producing virulent toxins that des...
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measles
measles or rubeola , highly contagious disease of young children, caused by a filterable virus and spread by droplet spray from the nose, mouth, and throat of individuals in the infective stage. This period begins 2 to 4 days before the appearance of the rash and lasts from 2 to 5 days thereafte...
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Albert Bruce Sabin
Albert Bruce Sabin , 1906-93, American physician and microbiologist, b. Bialystock, Russia, grad. New York Univ. (B.S., 1928; M.D., 1931). He emigrated to the United States in 1921 and was naturalized in 1930. He conducted medical research for several organizations before joining (1939) the faculty ...
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chicken pox
chicken pox or varicella , infectious disease usually occurring in childhood. It is believed to be caused by the same herpesvirus that produces shingles. Chicken pox is highly communicable and is characterized by an easily recognizable rash consisting of blisterlike lesions that appear two to th...
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meningitis
meningitis or cerebrospinal meningitis , acute inflammation of the meninges , the membranes that cover and protect the brain and spinal cord. It can be caused by bacteria, viruses, fungi, or other organisms, usually introduced via the bloodstream from infections elsewhere in the body.
Vir...
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cowpox
cowpox infectious disease of cows caused by a virus related to the virus of smallpox. Also called variola, it is characterized by pustular lesions on the teats and udder. Cowpox is transmitted by contact, inducing a mild infection of the hands in persons who milk infected cows. The fact that such p...
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influenza
influenza or flu, acute, highly contagious disease caused by a virus; formerly known as the grippe. There are three types of the virus, designated A, B, and C, but only types A and B cause more serious contagious infections. Influenza is difficult to diagnose in the absence of an epidemic , si...
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Jonas Edward Salk
Jonas Edward Salk 1914-95, American physician and microbiologist, b. New York City, B.S. College of the City of New York, 1934, M.D. New York Univ. College of Medicine, 1939. He did research on the influenza virus at the Univ. of Michigan, in 1946 became assistant professor of epidemiology there, a...
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