Physician: Stories of people developing serious health problems shortly ... ...

Physician: Stories of people developing serious health problems shortly after receiving vaccinations have given rise to the question of whether vaccination is safe. But even if these stories are true, they need not be cause for concern. With millions of people being vaccinated every year, it is to be expected that some will develop health problems purely by coincidence shortly after receiving vaccinations.

Which one of the following, if true, would most strengthen the physician’s argument?


(A) For the most part, stories of people developing serious health problems shortly after receiving vaccinations involve vaccines that were recently introduced.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in PT70 (Oct 2013): Logical Reasoning B