Five new cases of salmonella have been reported to Public Health Wales, following an outbreak last month.
Public Health Wales says there are now 17 cases, with nine confirmed as being linked to the outbreak, in Swansea, Neath Port Talbot, Carmarthenshire, Rhondda Cynon Taf and the Vale of Glamorgan.
A study has confirmed a strong association with laverbread probably produced between 5th and 8th March.
Public Health Wales says samples taken from Penclawdd's factory in Swansea have not shown any evidence of salmonella.
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