Public Health Wales and our partners are investigating one further case of Hepatitis A linked with the current outbreak.  The total number of confirmed cases is 13, with 10 having an association with pupils in Glyn Gaer school, two being in the Caerphilly community and a further case associated with Ysgol Rhydywaun. Heather Lewis, Consultant in Health Protection for Public Health Wales, said: “This new case is a pupil at Ysgol Rhydywaun, where there was already a previously confirmed case….