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Yes they can. Hitting air, hot weather, cold weather, etc. Its unsafe to be too clean though still should clean to get rid of stains, dust, allergens, for scent, etc. And also the fact that not all germs die. But a lot do. You really just have to worry about getting the flu and viruses and just washing your hands before eating and such should keep you safe. I have OCD when it comes to germs and learning this info helped me! =)

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15y ago

What else can I help you with?