There have been breakouts of bedbugs in hotels of famous tourist spots and there are things you can do (when checking in a hotel room for example) when travelling.
This video by the American Academy of Dermatology shows ho to check for bedbugs and the thing that you can do to minimize catching them and taking them back with you (details in the video):
When getting to your room, notice a smell ?
Check the bed
Check for blood stains on the bed and the furniture.
Check for shell-like remains on the bed
Check for blackish specks on the bed and headboard
Check for eggs (bedbugs are the size of an appleseed)
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