An outbreak of tuberculosis at Cardiff Prison has been confirmed by Public Health Wales.

It said staff are being screened who had been in contact with an original case in 2017.

However, the health body said there is no risk to public health.

Public Health Wales has been working closely with Her Majesty’s Prison and Probation Service to follow up on a TB case associated with HMP Cardiff that occurred in 2017. Public Health Wales

TB is caused by a bacterium called mycobacterium tuberculosis which usually only spreads after prolonged exposure to someone with the illness

It mainly affects the lungs but can affect any part of the body, including the bones and nervous system.

Symptoms of TB:

A persistent cough that lats more than three weeks and usually brings up phlegm, which might contain bloodWeight loss

Night sweats

High temperature

Fever

Tiredness

Fatigue

Loss of appetite

Swelling

The infection is treatable with antibiotics.