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An average adult can touch as many as 30 objects within a minute, including germ-harbouring, high-traffic surfaces such as light switches, doorknobs, phone receivers, and remote controls. At home, you do all that you can to keep the germs at bay, but what happens when you step out the door to go to dinner, do some grocery shopping, or visit the doctor's office? Know where germs are most likely to lurk, as you'll find out here.

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