1. epidemic disease any infectious disease that develops and spreads rapidly to many people
  2. endemic disease a disease that is constantly present to a greater or lesser degree in people of a certain class or in people living in a particular location
  3. optimistic hopeful that the best will happen in the future
  4. epidemic hysertia a condition in which a large group of people exhibit the same state of violent mental agitation
  5. 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
  6. epidemic a widespread outbreak of an infectious disease
  7. idiopathic disease any disease arising from internal dysfunctions of unknown cause
  8. epidemic encephalitis an encephalitis that was epidemic between 1915 and 1926
  9. genetic disease a disease or disorder that is inherited genetically
  10. autoimmune disease any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues
  11. academic session the time during which a school holds classes
  12. epidemic parotitis an acute contagious viral disease characterized by fever and by swelling of the parotid glands
  13. wasting disease involving the lungs with progressive wasting of the body
  14. endemic typhus acute infection caused by rickettsia and transmitted by the bite of an infected flea; characterized by fever and chills and muscle aches and a rash
  15. zoonotic disease an animal disease that can be transmitted to humans
  16. Paget's disease a disease of bone occurring in the middle aged and elderly
  17. animal disease a disease that typically does not affect human beings
  18. Pick's disease a progressive form of presenile dementia found most often in middle-aged and elderly women and characterized by degeneration of the frontal and temporal lobes with loss of intellectual ability and transitory aphasia
  19. epidemic meningitis meningitis caused by bacteria and often fatal
  20. pink disease serious bark disease of many tropical crop trees