Dr Louisa Pollock, a consultant in paediatric infectious diseases at the Royal Hospital for Children, said: "Flu is more than just a cold. She said: "The vaccination provides the best protection for children and helps to keep others around them protected." (Image: Supplied)The child flu vaccination programme is now underway across clinics and schools, offering a painless nasal spray to almost all children. Consent forms and further information will be sent to parents and carers of school children on return to school. All primary and secondary school pupils, with consent, will receive the flu vaccine nasal spray at school starting in early September through to December 2025.