Maybe. But does that answer my question?
If you touch the soap and the tap, that will surely transfer germs to your hands that the person before you left there?
If you touch the soap and the tap, that will surely transfer germs to your hands that the person before you left there?
Soap and water definitely work to reduce infections, even when using a shared sink. Look up what happened in the 19th century when people finally figured this out and started hand washing regularly, infectious disease transmission in settings like hospitals dropped dramatically.