vaccine

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Across
  1. 1. when germs fight against the immune system
  2. 4. tearing into pieces
  3. 6. the B-cells secrete this kind of weapon proteins
  4. 9. it occurs in flu virus or Coronavirus and allows the virus to change its DNA making vaccine less efficent
  5. 12. immunty that remains in your body for years
  6. 13. a bad reaction triggered by a medecine
Down
  1. 2. when every body is immune against a disease, the germ can't spread
  2. 3. rumors that continue to influence actions and memory
  3. 5. invaders
  4. 7. improvement via diagnosis, treatment, and illness prevention
  5. 8. (to) make the body react by an immune response
  6. 10. it contains a weak cousin of the real germ
  7. 11. it provokes death