What are STIs?
STIs are infections that are transmitted through close body contact, usually sexual. Sexual contact includes fucking, sucking, as well as touching, fingering or kissing/licking a cock, arse or vagina.
STIs can be caused by viruses (e.g. HIV, herpes, genital warts), bacteria (e.g. chlamydia, gonorrhoea), or parasites (e.g. crabs, scabies).