Many ppl and dr say that norovirus is caught orally ex. contamin. hands touching mouth or face) is this true? isnt it by breathing? im confused, help!

Viruses travel: Yes, what you've heard is generally true for norovirus - it's transmitted by contact with infectious material. In fact, only a very tiny amount is needed to infect someone else -which is why those cruise ships are always in trouble, because one person gets it - and the whole ship then gets infected from the small amounts of virus spread around. Different germs have different preferences for travel