If you have ever had a CDiff infection....you worry about stuff like that!

but the normal bacteria outcompete them. Infection usually occurs when the person is weakened by surgery or illness or has been on antibiotics.

but not among healthy people, otherwise we'd have waves of it and strict quarantine policies out in suburbia.

its from fecal matter....

I was a healthy person that had a dental procedure....got some antibiotic....ended up with CDiff...

Certain antibiotics make you suceptible...including Clindamyocin


Preventing the spread of infection to others
You, and those caring for you, also need to follow strict hygiene measures if you have C. difficile infection. This will help to prevent the spread of infection to others. If you are in hospital, the following measures are usually suggested:

If possible, you should have your own room, washbasin and toilet facilities.
You should regularly wash your hands thoroughly, especially after each time you have been to the toilet.
Those caring for you should wear disposable gloves and aprons and wash their hands with soap and water before and after attending to you. Hand gel is not an alternative to soap and water but may be used after hand washing. This is because hand gel may not kill the C. difficile spores.
Toilets, surfaces, floors, bedpans, bedding, etc, should be washed regularly.
Visitors should also wear disposable gloves and aprons and wash their hands as they enter and leave your room.

Especially in public restrooms.

It's one reason why we have immune systems.

when confronted with a warm air hand dryer?

If nobody's around, I'll use my jeans.

and has discovered that air hand dryers leave nearly all the bacteria in place, while the friction from paper towel drying removes most of them.

Regular hand soap.