Public Health Wales is urging parents and carers in south Wales to be vigilant about children’s handwashing following a hepatitis A outbreak in Barry. Health officials say at least three households in the seaside town have been identified as having contracted the liver infection, and they are concerned about potential local spread. The advice focuses on improving hygiene to reduce transmission, with officials asking families to help ensure children wash their hands properly and regularly. The warning comes as health authorities monitor the situation and work to identify any further cases connected to the outbreak. While the information available indicates multiple households are affected, officials do not suggest a wider national spread in the reports provided. The guidance is aimed at prevention during the ongoing response, particularly in households and among children, where good hand hygiene can lower the risk of hepatitis A spreading through contaminated hands and surfaces. The advice is issued in the context of outbreak control measures already underway by local health teams.