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Public Health Wales has identified a small cluster of hepatitis A cases in Barry, a seaside town in South Wales, advising parents and carers to be vigilant about hand-washing.
At least three households have been affected by the same strain, prompting contact tracing, targeted vaccination offers for close contacts and letters to families of primary school children.
Health officials said those who fell ill are receiving care and are recovering well.
Hepatitis A is spread by faecal-oral contact or contaminated food and water, with symptoms including fever, jaundice, fatigue, abdominal pain and nausea; people are typically infectious for about a week after symptoms begin.
UKHSA figures cited by Public Health Wales note the UK usually records roughly 400 hepatitis A cases annually, with higher totals reported in recent years.
Vaccination against hepatitis A is not routinely given in the UK, so local public health teams have focused on hygiene advice, targeted immunisation of identified contacts and investigations to understand potential local transmission routes.
Residents with symptoms are advised to contact a GP or NHS 111 Wales.





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