Can you catch body lice or crabs in public? Like on bus seats or anything like that??

Lice. Crabs (pubic lice) is usually transmitted through direct contact during sexual activity. There can also be vector transmission via contaminated towels, sheets or clothes. Head lice (Pediculosis humanus capitis), body lice (Pediculosis humanus corporis) and pubic lice or crabs (Phthirus pubis) can all be spread by vector transmission. Wearing someone else’s clothes that are contaminated can give .
Body lice. You need to have close or intimate contact to catch but. But they can be on the clothes too. Be carful.