title: [Anti-smallpox vaccination in children under 6 months of age].
mesh_terms: D000367:Age Factors; D006801:Humans; D007223:Infant; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine; D014611:Vaccination
chemical_list: D012900:Smallpox Vaccine
vernacular_title: Vacinação antivariólica em crianças menores de seis meses.