Links
[1] https://www.sciensano.be/en/biblio/infectieziekten-bij-kinderen-die-voorkomen-kunnen-worden-door-vaccinatie-trends-en-ontwikkelingen
[2] https://www.sciensano.be/en/people/toon-braeye/biblio
[3] https://www.sciensano.be/en/people/didier-hue/biblio
[4] https://www.sciensano.be/en/people/tine-grammens/biblio
[5] https://www.sciensano.be/en/biblio?f%5Bauthor%5D=178835&f%5Bsearch%5D=Sophie%20Quoilin
[6] https://www.sciensano.be/en/biblio?f%5Bkeyword%5D=588&f%5Bsearch%5D=Belgi%C3%AB
[7] https://www.sciensano.be/en/biblio?f%5Bkeyword%5D=519&f%5Bsearch%5D=de