Infectious Diseases

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Across
  1. 2. Any disease or infection that is naturally transmissible from vertebrate animals to humans.
  2. 5. An unexpected increase in the number of disease cases in a specific geographical area.
  3. 8. Developed after the body is exposed to specific pathogens as a form of future protection.
  4. 9. A shot that trains our bodies into building immunity against infectious diseases, without causing the illness.
  5. 11. The direct transfer of bacteria, viruses or other germs from one person to another.
  6. 13. 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.
  7. 16. A pathogen's or microorganism's ability to cause damage to a host.
  8. 17. How your body recognizes and defends itself against bacteria, viruses, and substances that appear foreign and harmful.
  9. 18. The Pathogen that leads to the disease.
  10. 19. A type of white blood cell called lymphocytes. They help your immune system fight germs and protect you from disease.
Down
  1. 1. The study of the determinants, occurrence, and distribution of health and disease in a defined population.
  2. 3. Any person, animal, plant, soil or substance in which an infectious agent normally lives and multiplies.
  3. 4. Senior in RHS who plays football.
  4. 6. Refers to the total number of individuals in a population who have a disease or health condition at a specific period of time, usually expressed as a percentage of the population.
  5. 7. An infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
  6. 10. The defense system with which you were born.
  7. 12. Creates a type of protein called an antibody. These antibodies bind to pathogens or to foreign substances, such as toxins, to neutralize them.
  8. 14. Calculated by dividing the total number of infections with each pathogen by the population in the FoodNet surveillance system for that year.
  9. 15. A disease event in which there are more cases of a disease than expected spread over several Page 4 countries or continents, usually involving person-to-person transmission and affecting a large number of people.
  10. 16. Disease that results from an infection transmitted to humans and other animals by blood-feeding anthropods, such as mosquitoes, ticks, and fleas.