The disease is highly contagious.
An outbreak of measles has been reported in Westmeath.
HSE Midlands says it's been notified of four cases, and full investigative and outbreak control measures have been put in place.
It's warning people of the symptoms of the disease - which is highly contagious and can become serious.
Anyone who has not received two doses of the MMR vaccine is advised to contact their GP.
Dr. Douglas Hamilton, consultant in public health medicine in the midlands, outlines symptoms to look out for:
Westmeath Local Development Group Back Open Letter To Gardai On Antisocial Behaviour
Calls For Safer Traffic Measures Outside Offaly Primary School
Maura Higgins To Host ‘Blind Date’ Reboot For Disney+
Plans for Community Hub In Offaly Town Make Progress
Offaly Primary School Ask For Increase In SNA Allocation Hours
CAO Offers May Land Ahead Of 2pm Release
41-Home Proposal For Westmeath Town Refused By Local Authority
Dolly Parton Remembered As ‘Giant Of An Artist’ Following Death At 80