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Hello, according to the situation you described, there is basically no possibility of infecting your family, don't worry.
Laser is a kind of physical therapy, and it is easy to recur if it treats the symptoms but not the root cause.
If the virus is not inactivated and attached to the toilet, and the skin is damaged, and it happens to come into contact with the broken area, then it is possible to be infected.
No, it's not that scary.
If you don't have paper, you can take off your underwear and wipe your butt, so that if your underwear is dirty, throw it away, and you can wear an outer pants! That way you won't get your hands dirty or embarrassed! It definitely works!
There will be no problem, don't think too much, but it's just unhygienic, and nothing else is a big deal.