The HSE has provided information for parents about the changes to contact tracing and testing for children aged between 3 months and 13 years in early learning and care, school aged childcare, education, primary school sports and social settings. You can find it here:

https://www.gov.ie/en/publication/13610-information-for-parents-about-the-changes-to-contact-tracing-and-testing-for-children-aged-between-3-months-and-13-years-in-early-learning-and-care-elc-and-school-age-childcare-sac-education-primary-school-sports-and-social-settings/