A man is seeking treatment after a syringe left in the back of a taxi that pierced the skin on his leg was found to likely contain HIV antibodies.

According to Beijing News, 37-year-old Xu Tian (not his real name) got into a taxi in Haidian district in the capital on Tuesday night. Sitting on the backseat, he felt a sting on his leg when he lifted it.

He told Beijing News that he found a syringe in the magazine rack fixed to the back of the front seat, and also a needle cap, which, like the syringe barrel, contained some sticky fluid.