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Vaccine a biological substance that trains the body to fight off …
Vaccine
a biological substance that trains the body to
fight off
dangerous pathogens
:
Live Attenuated Vaccines
How to create
using a nonpathogenic virus related to the real pathogen
weakening the virus in alaboratory, purifying the vaccination solution, and administering the vaccine orally or by injection.
Diseases can be prevented
Measles
Mumps
Rubella
Smallpox
Polio
Influenza
Definition
made from living, weakened viruses
Pros and cons
Pros
create a stronger immunity to a disease
Cons
Expensive and difficult to store
Not as safe as inactivated vaccines
Inactivated Vaccines
Definition
made from dead viruses
How to create
use chemicals, heat, or radiation to render a pathogenic virus harmless, or “fixed.”
Diseases can be prevented
Polio
Measles
Influenza
Hepatitis A
Rabies
Pros and cons
Pros
can be reconstituted
and easily stored
Safer than live attenuated vaccines
Cons
Can't create a strong immunity to a disease