Vaccination programmes against invasive disease in Italy, with particular regard to Valle d'Aosta.
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D003140:Communicable Disease Control / Q000458:organization & administration*; D003141:Communicable Diseases / Q000453:epidemiology*; D006284:Health Plan Implementation; D006291:Health Policy; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration*; D007115:Immunization Schedule; D007558:Italy / Q000453:epidemiology; D032541:Mass Vaccination / Q000458:organization & administration*; D015980:Public Health Practice