title: The challenges of vaccinating the very young: lessons from a very old system of host defense.
authors.affiliation: IRIS Research Center, Chiron S.p.A., Siena, Italy.
authors.forename: N M
authors.initials: NM
authors.lastname: Valiante
authors.forename: R
authors.initials: R
authors.lastname: Rappuoli
authors.forename: R A
authors.initials: RA
authors.lastname: Insel
authors.forename: P
authors.initials: P
authors.lastname: McInnes
authors.forename: A
authors.initials: A
authors.lastname: Hoeveler
mesh_terms: D006801:Humans; D007109:Immunity / Q000235:genetics / Q000502:physiology; D007231:Infant, Newborn / Q000276:immunology*; D014611:Vaccination / Q000009:adverse effects / Q000379:methods