A recent study by JRPass revealed that passports harbor the highest levels of bacteria among common travel items, with an average of 436 colony-forming units (CFUs), far surpassing checked baggage, shoes, and phones. The research highlights that frequent handling, especially in crowded places like airports, contributes to bacterial accumulation. Experts recommend thorough handwashing and sanitizing personal items like passports and luggage to minimize germ exposure while traveling.
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