Chlorox or bleach can be actually corrosive to some metals. Do not really worry too much about the germ as they are all mine. Nothing you can do to get rid of them, some even think they make your immune system stronger.
Stay out of public restrooms!
Yeah, ever since I put on a leather case and I've stopped sharing my phone or letting others touch it - they're my germs, I don't have to clean it as often - a good huff close to the mouth and a wipe on the shirt does it for me.
Amen.