vaccines

1. a tiny agent that causes infection
3. equipment used to store some vaccines at low temperatures
5. The ability of a vaccine to produce the desired immune response under controlled conditions.
6. A protein produced by the immune system that recognizes and neutralizes harmful substances like viruses.
11. a very fine slender piece of polished metal
13. The introduction and distribution of a vaccine to the public.
15. microorganisms that can cause illness.
17. The body’s ability to resist a particular disease after exposure or vaccination.
18. A substance that triggers an immune response, often used in vaccines to help the body recognize pathogens.
19. A state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.
20. A medical reason why a person should not receive a particular vaccine

2. A tube to do ejecting liquid in a thin stream
4. the body’s response to a vaccine.
7. The process by which a person becomes protected against a disease through vaccination.
8. A microorganism, such as a virus or bacterium, that causes disease.
9. defense against disease.
10. A harmless, inactive substance used in testing new vaccines for comparison.
12. A specific quantity of a vaccine administered at one time.
14. an extra dose to maintain protection.
16. the act of putting a vaccine into the body using a needle.