Simultaneous administration of vaccines in immunization protocols: an audit in healthcare workers in the Puglia region of Italy

Hum Vaccin. 2009 Nov;5(11):745-7. doi: 10.4161/hv.5.11.9438. Epub 2009 Nov 6.


Through a standardized questionnaire, this study investigated the opinions and attitudes of Vaccine Service staff in the Puglia Region of Italy regarding simultaneous administration of vaccines. Co-administration was practiced by 89.4%, and the staff's positive opinions were that it is important for work organization (80.8%) and as an opportunity to increase vaccine take-up (59.9%). Negative opinions were that it increases the risk of adverse reactions or undesired effects (11.3%) and can engender fear of such reactions in parents (31.1%).

MeSH terms

  • Adult
  • Female
  • Health Care Surveys
  • Health Personnel*
  • Humans
  • Immunization Schedule*
  • Italy
  • Male
  • Middle Aged
  • Surveys and Questionnaires
  • Vaccination / adverse effects
  • Vaccination / methods*
  • Vaccination / psychology
  • Vaccines / administration & dosage*


  • Vaccines