Q. Who developed vaccine against smallpox?
A) Lousi Pasteur
B) Selman Waksman
C) Edward jenner
D) Alexander Flemming
Explanation
Smallpox is an acute, highly communicable disease caused by variola virus. It has now been largely controlled through vaccination. Smallpox vaccine was first prepared by Edward Jenner in 1798.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.