Cases of polio may be found in
A) human beings, whales, and chimpanzees.
B) human beings only.
C) human beings and any other primates.
D) human beings and any animal species.

Question

Quizplus · Accepted Answer

Polio is a disease that affects human beings only. It is caused by the poliovirus and spreads through contaminated water or food. While some animals may be carriers of the poliovirus, they do not suffer from the disease in the same way that humans do. Therefore, the correct answer is B, which states that polio is found only in human beings.

Cases of Polio May Be Found in