Q. Eradication of smallpox has been possible due to the following facts except
A) Use of highly effective vaccine
B) Immunization programs
C) Elimination of animal reservoir
D) International cooperation
Explanation
Animal reservoir of the small pox does not exist
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.