I have a 19 month old now and potty in training but my biggest concern is using barhrooms outside…

I have a 19 month old now and potty in training but my biggest concern is using barhrooms outside your home public restrooms seem so disgusting to me im a germ freak i never sit in the toilet only squat any mon a germ freak when it comes down for your kids to use the public restroom? How do you do it? Any tips please