This is mostly a risk for health care workers. From being stuck with a needle or cut with a sharp object that contains HIV-positive blood.However, if the mother is in regular care and on HIV treatment, this risk is reduced to nearly zero. From mother to child during pregnancy, childbirth or breastfeeding.From sharing needles, syringes or other injection equipment with someone who has HIV, while not using PrEP.From condomless vaginal/frontal or anal sex with someone who has HIV, while not using a condom or not using medicines to prevent ( PrEP and PEP) or treat HIV ( undetectable equals untransmittable or U=U).HIV is transmitted through the following body fluids: