
Which surface has more germs?
(Find the answers on the next page.)
a) Your home toilet seat — OR — A public toilet seat
b) The kitchen faucet — OR — Your kitchen counter
c) A grocery cart — OR — A doorknob
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Answers:
a) Your home’s toilet seat is dirtier, with 295 bacteria/sq. in., compared with 49/sq. in. on public toilet seats.
b) Highly used and moist, the handles of your kitchen faucet have 13,227 bacteria/sq. in.; the counter has 488/sq. in.
c) Doorknobs are dirtier, with 4 colony-forming units (or CFU) of bacteria/sq. in., even though shopping carts have a bad rap (2 CFU/sq. in.).
Want to know more about which germs are OK for your kids? Click here.