#contagious_disease__contagion  any disease easily transmitted by contact
  supertype:  #communicable_disease  a disease that can be communicated from one person to another
  subtype:  #influenza__flu__grippe  an acute febrile highly contagious viral disease
     subtype:  #Asiatic_flu  influenza caused by the Asian virus that was first isolated in 1957
  subtype:  #measles__rubeola  an acute and highly contagious viral disease marked by distinct red spots followed by a rash; occurs primarily in children
     subtype:  #German_measles__rubella__threedaymeasle__epidemic_roseola  a contagious viral disease that is a milder form of measles lasting three or four days; can be damaging to a fetus during the first trimester
  subtype:  #diphtheria  acute contagious bacterial infection marked by the formation of a false membrane in the throat and other air passages causing difficulty in breathing
  subtype:  #scarlet_fever__scarletfever__scarlatina  an acute communicable disease (usually in children) characterized by fever and a red rash
  subtype:  #pox  a contagious disease characterized by purulent skin eruptions that may leave pock marks
     subtype:  #smallpox__variola  a highly contagious viral disease characterized by fever and weakness and skin eruption with pustules that form scabs that slough off leaving scars
     subtype:  #chickenpox__varicella  an acute contagious disease caused by herpes varicella zoster virus; causes a rash of vesicles on the face and body
  subtype:  #Vincent's_angina__Vincent's_infection__trench_mouth  an acute communicable infection of the respiratory tract and mouth marked by ulceration of the mucous membrane
  subtype:  #venereal_disease__VD__social_disease__Cupid's_itch__Cupid's_disease__Venus's_curse__sexually_transmitted_disease  a communicable disease transmitted by sexual intercourse or genital contact
     subtype:  #genital_herpes__herpes_genitalis  an infection caused by herpes simplex virus type 2 (HSV-2) that is usually transmitted by sexual contact; marked by recurrent attacks of painful eruptions on the skin and mucous membranes of the genital area
     subtype:  #gonorrhea__gonorrhoea__clap  a common venereal disease caused by the bacterium Neisseria gonorrhoeae; symptoms are painful urination and pain around the urethra
     subtype:  #granuloma_inguinale__granulomainguinale__granuloma_venereum__granulomavenereum  a venereal disease caused by a bacterium of the genus Calymmatobacterium; characterized by a pimply rash of the skin in the genital and groin region
     subtype:  #syphilis__syph__pox  a common venereal disease caused by the Treponema pallidum spirochete; symptoms change through progressive stages; can be congenital (transmitted through the placenta)
        subtype:  #primary_syphilis  the first stage; characterized by a chancre at the site of infection
        subtype:  #secondary_syphilis  the second stage; characterized by eruptions of the skin and mucous membrane
        subtype:  #tertiary_syphilis  the third stage; characterized by involvement of internal organs especially the brain and spinal cord as well as the heart and liver
        subtype:  #neurosyphilis__neurosyphili  syphilis of the central nervous system
           subtype:  #tabes_dorsalis__locomotor_ataxia__locomotorataxia  syphilis of the spinal cord characterized by degeneration of sensory neurons and stabbing pains in the trunk and legs and unsteady gait and incontinence and impotence

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