You have seen the headlines or heard it on the news. Is it such a rare thing? Why are they on the rise now?
Global travel, proximity of people (food source for bed bugs) in cities, and improper education about them is causing the rise.
Here is an article that gives a list of what to do in case of bed bug infestation.
However to get answers to the question if bed bugs is indeed an epidemic and why are they on the raise, this physorg article may have the answer.