Dr Chris Williams, a Consultant Epidemiologist at Public Health Wales, has urged people with a fever or cough to think about going to their doctor - but tuberculosis is treatable, and it's "not something that people should be too worried about."
More top news
Rather cloudy at times, but with some sunny intervals likely too.
Andrea Byrne presents the first episode of the new series Helimeds which follows the Welsh flying medics.
Variable cloud and clear spells overnight with isolated showers mainly in the north.