Lesson on Vaccines

Everything You Ever Wanted To Know About Vaccines & Vaccination

Juanita High School Homeroom Presentation

How do vaccines work, anyway?

How do vaccines work?

• vaccines use the body's own immune system to protect it from disease

• a vaccine contains a bit of the pathogen, or a pathogen that has been killed, weakened, or otherwise inactivated

• your immune system doesn't know the bits in the vaccine can't hurt you - just that it doesn't belong!

• your immune system attacks! in the process, it learns how to fight off the real thing.

Multiple Select

can vaccines give you the disease they are meant to protect you against?

• No! They do not contain live pathogens

• No! Some vaccines contain only bits of a pathogen

• No! Some vaccines contain pathogens that are killed or weakened

• No! These are all right and vaccines can NOT give you the disease they protect you against.