The Health Service Executive is continuing to investigate the measles outbreak in Kerry.
Control teams have been convened in HSE South following the outbreak of the disease in both Tralee and Ballyheigue last month.
HSE Consultant in Public Health, Dr Kevin Kelleher, is urging the public to remain vigilant against the highly infectious disease.
He adds if cases are isolated early, the risk of transmission to vulnerable individuals decreases.
As of this week, 33 cases have been confirmed nationally, with most of those affected being under ten years of age.