A. Mignon, A. Ta, E. De Sutter, A. Ilic, J. Perdrizet, and S. Warren, “Public Health Impact of Implementing the 20-valent Pneumococcal Conjugate Vaccine for Routine Paediatric Vaccination in Belgium ”, Belg J Paediatr, vol. 28, no. 1, pp. 30–37, Apr. 2026.