Subject(s)
West Nile Fever/diagnosis , West Nile Fever/therapy , Animals , Child , Exanthema/virology , Fever/virology , Humans , Insect Vectors/virologyABSTRACT
A cross-sectional survey of Italian pediatricians and pediatric residents was carried out between 15 September and 18 October 2008 in order to evaluate their knowledge concerning the administration of vaccines to children with suspected or proved allergies. Of the 750 physicians who accepted to participate (620 pediatricians and 130 residents), 630 (84.0%; 407 females; mean age 43.5 ± 11.2 years) returned completed questionnaires: 268 primary care pediatricians (42.5%), 244 hospital pediatricians (38.8%), and 118 pediatric residents (18.7%). Knowledge concerning the vaccination of children with suspected or proved allergies was far from optimal, with the poorest knowledge being shown by the pediatric residents and no difference between the primary care and hospital pediatricians. Since pediatricians are the main parents' advisors regarding vaccinations, these results indicate an urgent need for educational programmes (especially for residents) and evidence-based guidelines concerning vaccinations in children with suspected or proved allergies.
Subject(s)
Attitude of Health Personnel , Health Knowledge, Attitudes, Practice , Hypersensitivity/epidemiology , Vaccination , Adult , Child , Cross-Sectional Studies , Female , Hospitals, Pediatric , Humans , Italy , Male , Medical Staff, Hospital , Middle Aged , Pediatrics , Physicians, Primary Care , Surveys and Questionnaires , Vaccination/adverse effectsABSTRACT
BACKGROUND: Local immunization programs may include hexavalent and conjugate pneumococcal or meningococcal vaccines administered in the same vaccination visit. Information based on evidence is necessary for correctly planning schedules and for parents who often fear the administration of too many vaccines. We reviewed the available literature to assess the effects on immunogenicity and safety of simultaneous administration of hexavalent and conjugate pneumococcal and meningococcal C vaccines in healthy children. METHODS: We searched for papers including a comparison of coadministration and single administration of hexavalent with conjugate pneumococcal or meningococcal C vaccines. Data sources included Cochrane Database of Systematic Reviews, Cochrane Central Register of Controlled Trials, MEDLINE, and EMBASE. Immunogenicity and safety results were extracted and compared. We calculated the absolute risk increase of being a non responder to any antigen and of experiencing common adverse events. RESULTS: Four relevant articles were included in the review. Immunogenicity of components included in the hexavalent vaccines was maintained with coadministration of conjugate pneumococcal and meningococcal C vaccines. However individuals who received hexavalent vaccine with conjugate pneumococcal vaccines were 18% more likely to have anti-PRP < 1 microg/mL after the third dose although this difference disappeared after the fourth dose, and titres against meningococcal C antigens were higher when vaccines were administered separately. Children who received simultaneous administration of hexavalent vaccines with conjugate pneumococcal vaccines had a 13-17% additional risk of experiencing fever compared with single administration. CONCLUSION: Few studies deal with coadministration of vaccines. Hexavalent and conjugate pneumococcal or meningococcal vaccines may however be administered simultaneously without noteworthy negative effects on immunogenicity or safety profile. Parents of vaccinees should be appropriately informed on the effects of coadministration to improve their compliance. Studies on vaccine coadministration should be promoted and unpublished studies realized for vaccine registration should be made available.
