<prompt> Skin hazards of swimming are a Verrucaeb Pyoderma gangrenosumc M. marinum gangrenosumd M. ulcerans infectionabcadac  <response>: Important skin problems caused by swimming pool are : Pseudomomonas dermatitis, chlorine irritation, M. marinum swimming pool granuloma, molluscum contagiosum, Plantar warts verrucae, swimming pool conjuctivitis adenovirus, swimmers itch schistosoma. 