Question

which technology has eliminated diseases such as polio and smallpox?
ct scanners
vaccines
bionic prosthetics
pasteurization

Explanation:

Vaccines stimulate the immune - system to recognize and fight specific pathogens. They have been crucial in eradicating diseases like polio and smallpox through widespread immunization programs. CT scanners are for imaging, bionic prosthetics are for limb replacement, and pasteurization is for food safety.

Answer:

B. vaccines