The HSE has confirmed that it is investigating four cases of meningococcal meningitis/septicaemia reported in the last week of September.
Three cases are confirmed and one is possible, while two of the people affected have sadly died.
The HSE say that the cases were reported from different regions of the country and have no known links with each other. Three of the cases are young adults and one case is less than 10 years of age.
