title: Vaccine supply and quality. Surveillance of adverse events following immunization.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D004355:Drug Stability; D004356:Drug Storage / Q000379:methods; D006801:Humans; D007114:Immunization / Q000009:adverse effects*; D007223:Infant; D014612:Vaccines / Q000009:adverse effects* / Q000494:pharmacology / Q000600:supply & distribution*
chemical_list: D014612:Vaccines