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Identifier 000438291
Title Εμβολιαστική κάλυψη των παιδιάτρων στην Κρήτη
Alternative Title Vaccination coverage of pediatricians in Crete
Author Ανατολιωτάκη, Μαρία
Thesis advisor Περδικογιάννη, Χρυσούλα
Reviewer Γαλανάκης, Εμμανουήλ
Σπυρίδης, Νίκος
Abstract Introduction: Vaccination of health care workers (HCWs) reduces the risk of occupational vaccine-preventable diseases (VPDs), prevents nosocomial transmission and preserves health care delivery during outbreaks. Especially pediatricians who take care of vulnerable patient groups, including newborns and infants, who have not been vaccinated yet, should have a positive immunization status in order to protect their patients. The investigation of vaccination coverage of pediatricians working in national health system (NHS) and private sector is of special interest. Methods: A cross-sectional, questionnaire-based study was conducted between September and December 2020. The questionnaire was sent by email to all 302 active pediatricians in Crete, Greece. They were asked to specify their sex, age, years in present job, sector (NHS vs private) and geographic area of work. Vaccination coverage was investigated for the following vaccines: seasonal influenza, for the present and the three previous seasons, measles, rubella, mumps, varicella, hepatitis A, hepatitis B, tetanusdiphtheria- pertussis with Tdap, herpes zoster, pneumococcus, meningococcus and TB. Self-reported immunity was defined as either previous natural infection or complete vaccination and was investigated for measles, rubella, mumps, varicella, hepatitis A and hepatitis B. The association between vaccination coverage and the following factors was examined: gender, age, sector (NHS vs private), and geographic area. Data were analyzed using Microsoft Excel and SPSS software. Results: A total of 282 of the 302 active pediatricians of Crete participated in the study (response rate 93.37%). High vaccination rate, 94.7%, was found against seasonal influenza during the current period 2020-2021. Influenza vaccination rate was significantly increasing each year from the 2017-2018 to the 2020-2021 influenza season, p<0.001. Influenza vaccination during the current period was significantly higher in the NHS (p=0.01). Complete vaccination coverage against measles (42.3%), rubella (40.8%), mumps (41.1%), and varicella (7.8%) were below target. Self-reported immunity for measles, rubella, mumps, and varicella were 85.8%, 79.8%, 74.1% and 93.3%, respectively. Complete vaccination coverage against hepatitis B was 84.8%, while vaccination against hepatitis A was less accepted among pediatricians, 20.21%. High vaccination rate was observed for tetanus-diphtheria-pertussis (Tdap), 64.5%. Vaccination rate for herpes zoster vaccine in the targeted age group, &ge; 60 years, was 29.3%. Vaccination rates for pneumococcus, meningitococcus and TB were 43.4%, 25.4% and 77.3% respectively. Vaccination coverage for the study vaccines was significantly higher in younger age groups (p<0.05). Female gender was associated with higher rates of complete vaccination and immunity for rubella (p=0.015 and p=0.003, respectively). Vaccination rates against rubella, mumps, varicella, hepatitis A, hepatitis B and Tdap were significantly higher among pediatricians vaccinated for measles. The most common reasons for non-vaccination for influenza were: lack of necessity (low risk 25%), doubtful vaccine efficacy (17.85 %) and fear of side effects (10.71%). Conclusions: Vaccination coverage of pediatricians in Crete was rather high for some but not all of the recommended vaccines. Especially influenza immunization in the era of COVID-19 pandemic was highly accepted among pediatricians. High vaccination coverage with Tdap was observed. Nevertheless, there are still immunization gaps and a proportion of pediatricians were not aware of their immunity status against a number of vaccine preventable diseases. Documentation of vaccination and immunity status and initiatives to improve vaccination in HCWs are urgently needed.
Language Greek
Subject Immunity
Επαγγελματίες υγείας
Issue date 2021-03-29
Collection   School/Department--School of Medicine--Department of Medicine--Post-graduate theses
  Type of Work--Post-graduate theses
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