Kurt Hunter puzzle

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Across
  1. 1. conditions or practices conducive to maintaining health and preventing disease, especially through cleanliness.
  2. 5. the state or quality of being resistant to a particular infectious disease or pathogen.
  3. 7. a disease characterized by inflammation of the liver.
  4. 9. a substance used to stimulate immunity to a particular infectious disease or pathogen, typically prepared from an inactivated or weakened form of the causative agent or from its constituents or products.
  5. 11. any of a group of spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.
  6. 12. spread from one person or organism to another by direct or indirect contact.
  7. 13. microorganism that can cause disease
  8. 15. an organism, typically a biting insect or tick, that transmits a pathogen, disease, or parasite from one animal or plant to another.
  9. 16. a microorganism which causes disease.
  10. 17. a phylum or group of phyla that comprises the single-celled microscopic animals, which include amoebas, flagellates, ciliates, sporozoans, and many other forms.
  11. 19. a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
Down
  1. 2. a highly contagious viral infection of the respiratory passages causing fever, severe aching, and catarrh, and often occurring in epidemics.
  2. 3. a form of small leukocyte (white blood cell) with a single round nucleus, occurring especially in the lymphatic system.
  3. 4. a severe form of viral hepatitis transmitted in infected blood, causing fever, debility, and jaundice.
  4. 6. a disorder of structure or function in a human
  5. 8. an infectious disease.
  6. 10. an infective agent that typically consists of a nucleic acid molecule in a protein coat
  7. 13. lung inflammation caused by bacterial or viral infection, in which the air sacs fill with pus and may become solid.
  8. 14. a sore throat with fever caused by streptococcal infection.
  9. 18. a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some that can cause disease.