Which of the following vaccines can cause the disease it is designed to prevent?
A)tetanus toxoid vaccine
B)oral polio vaccine
C)inactivated polio vaccine
D)Haemophilus influenzae capsule vaccine
E)meningococcal capsule vaccine

Question

Quizplus · Accepted Answer

The oral polio vaccine (OPV) contains live attenuated poliovirus, which can, on rare occasions, mutate and cause paralysis. This is known as vaccine-associated paralytic polio. However, the risk of contracting polio from the vaccine is much lower than the risk of contracting polio without vaccination. The other vaccines listed do not contain live attenuated virus and therefore cannot cause the disease they are designed to prevent.

Which of the Following Vaccines Can Cause the Disease It