Infectious Diseases

2. a simple, safe, and effective way of protecting one against a harmful disease
3. protects and improves the health of people and their communities
4. microscopic organisms that can infect host. for example humans, plants or animals
5. when your immune system is responsible for protecting you from a pathogen
7. is an invasion and growth of germs in the body
11. I like to cook
13. immunity develops when a person's immune system responds to a foreign substance
15. is the way germs are moved to the susceptible person
17. a white blood cell
18. a place where something is kept in store

1. the ability of the immune system to respond rapidly and effectively to pathogens that have been encountered previously
6. a white cell that makes antibodies
7. how the body recognizes and defends itself against bacteria
8. a person given antibodies to a disease rather than producing them through their own body
9. is the defense system with which you were born
10. an outbreak of disease that spreads quickly and affects many individuals at the same time
12. an outbreak of a disease that occurs over a white geographic area
14. living organisms that transmit infectious pathogens
16. those who can spread through direct physical contact with an infected person