Dawson also noted pest control workers advise people to vacuum everything and dry clothes at a high setting because it will kill the bugs and their eggs.
Barnhart said the bug bites are hard to spot.
"The bugs are rusty colored, and they give off a sweet, musty odor," Barnhart said. "And as they feed, they get larger."
Simplot said bed bugs have been around since the 17th century.
"The colonists brought them in, and by World War II they were saying, 'Don't let the bed bugs bite,'" she said. "Next came the introduction of DEET, and that eliminated a lot of bugs. In recent years, we're seeing them come back."
Barnhart also noted today's mobile society is bringing in a lot things, and she encouraged people to be cautious.