(Encyclopedia) diphtheria d?fth?r??, acute contagious disease caused by Corynebacterium diphtheriae (Klebs-Loffler bacillus) bacteria that have been infected by a bacteriophage. It begins as a? Deadly DiphtheriaChildhood DiseasesIntroductionThe Polio PanicChickenpoxEar AchesMeasly MeaslesMumpsRubellaDeadly DiphtheriaPertussis, or Whooping CoughTerrifying TetanusThe Importance of Childhood? (Encyclopedia) Schick test, diagnostic test designed to evaluate susceptibility to diphtheria. A small amount of diphtheria toxin is injected into the skin; the injection will produce an area of? (Encyclopedia) Bretonneau, Pierre py?r br?tn?, 1778?1862, French physician. He performed (1825) the first successful tracheotomy for laryngeal diphtheria, wrote a treatise (1826) distinguishing? (Encyclopedia) Klebs, Edwin kl?ps, 1834?1913, German-American pathologist, b. Prussia. He was an assistant of Rudolf Virchow and professor of pathology at Zrich (1872?92) and from 1896 at Rush? (Encyclopedia) Roux, Pierre Paul mile py?r p?l ?m?l ro?o, 1853?1933, French physician and bacteriologist. He was a pupil of and coworker with Pasteur. In 1888 he and A. E. J. Yersin demonstrated? (Encyclopedia) toxoid, protein toxin treated by heat or chemicals so that its poisonous property is destroyed but its capacity to stimulate the formation of toxin antibodies, or antitoxins, remains.? (Encyclopedia) prophylaxis pr??f?l?ks?s, measures designed to prevent the occurrence of disease or its dissemination. Some examples of prophylaxis are immunization against serious diseases such as? (Encyclopedia) Lffler, Friedrich fr?dr?kh lfl?r, 1852?1915, German bacteriologist. From 1888 he taught hygiene at the Univ. of Greifswald. Among his many contributions to bacteriology are his? (Encyclopedia) Kitasato, Shibasaburo sh?bsbo?or? k?tst?, 1852?1931, Japanese physician. He worked with Robert Koch in Germany (1885?91), and with Emil Behring he studied the tetanus bacillus?