Chicken pox

Polio

Smallpox

Penicillin

introducing inactivated virus into the body to start an immune response.

changing the DNA of your cells to protect you from infection from the virus.

having your own cells make a protein from the virus so your immune cells will recognize the virus.

using a carrier virus to start an immune response.

TRUE

FALSE

of antibiotic treatment

of worldwide vaccination

it went naturally

FALSE

TRUE