Can you catch aids if share a cigarette with no filters someone who has aids?

Sharing a cigarette with someone who has AIDS does not carry the risk of transmitting HIV. HIV, the virus that causes AIDS, is not spread through saliva or casual contact. The main modes of HIV transmission are unprotected sex, sharing needles or other drug paraphernalia, or from mother to child during pregnancy, birth, or breastfeeding. Sharing cigarettes does not involve the exchange of bodily fluids or blood, which are necessary for HIV transmission. Therefore, sharing cigarettes poses no risk of contracting AIDS.