Immunization & Earth Day Crossword

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Across
  1. 2. to shelter from harm
  2. 4. the process whereby a person is made immune or resistant to an infectious disease
  3. 7. the surroundings or conditions in which a person, animal, or plant lives or operates.
  4. 9. prevention of wasteful use of a resource
  5. 12. another word for injections
  6. 14. (of a substance or object) capable of being decomposed by bacteria or other living organisms
  7. 15. product is intended to be thrown away after use
Down
  1. 1. the anniversary of the birth of the modern environmental movement in 1970.
  2. 3. (of a disease) spread from one person or organism to another by direct or indirect contact.
  3. 5. a dose of a vaccine that is given to someone who has already had a primary vaccination series
  4. 6. illness or sickness characterized by specific signs or symptoms
  5. 8. an infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria
  6. 10. another word for immunization
  7. 11. (of a substance or object) capable of being decomposed by bacteria or other living organisms.
  8. 13. they stimulate the body's own immune system to protect the person against subsequent infection or disease