A teen who was placed in an induced coma and almost died believes she caught a potentially lethal infection after sharing a vape on a night out. Sian Alderton, 18, caught bacterial meningitis - a rare infection that causes inflammation around the brain - after going out with friends. She initially thought she had a sickness bug when she began to feel ill the following day but was rushed to hospital when her mum noticed red spots on her body. Ms Alderton was placed in a medically-induced coma