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Influenza immunization of chronically ill children in pediatric tertiary care hospitals
Eve Dubé1, Dominique Gagnon, Caroline Huot
1a Institut national de santé publique du Québec (INSPQ) ; Québec , Canada.
Insights
Influenza immunization for chronically ill children in Quebec hospitals is feasible and acceptable. This strategy effectively increases vaccine uptake, overcoming previous barriers to seasonal flu vaccination.
Area of Science:
- Pediatrics
- Public Health
- Immunology
Background:
- Seasonal influenza vaccine uptake in Quebec remains below the 80% target.
- Chronically ill children often miss opportunities for influenza vaccination.
Purpose of the Study:
- Evaluate the feasibility and acceptability of pediatric influenza immunization in outpatient clinics.
- Assess barriers and enabling factors for implementing hospital-based immunization programs.
Main Methods:
- Demonstration projects utilizing live attenuated influenza vaccine (LAIV) in 3 pediatric tertiary care hospitals.
- Diaries documented implementation factors; questionnaires assessed healthcare professional and parent knowledge, attitudes, behaviors, and acceptability.
- 2,478 children received influenza immunizations.
Main Results:
- Key enabling factors included financial support, nasal LAIV administration, and dedicated leadership.
- Barriers involved staffing challenges and increased workload for clinic staff.
- High acceptability of outpatient clinic immunization was reported by parents and healthcare professionals.
Conclusions:
- Hospital-based influenza immunization is an effective strategy for reaching chronically ill children.
- The implementation demonstrated no major feasibility or acceptability issues.
- This approach can improve seasonal influenza vaccine coverage in vulnerable pediatric populations.
Abstract:
Despite a publicly funded immunization program and continuous promotional efforts, vaccine uptake for seasonal influenza in Quebec (Canada) remains under its goal of 80%. Missed opportunities can explain the low influenza vaccine rates among chronically ill children. To address that, demonstration projects using the live attenuated influenza vaccine (LAIV) were implemented in 3 pediatric tertiary care hospitals to evaluate the feasibility and acceptability of implementing influenza immunization of chronically ill children in hospitals' outpatient clinics. A diary was used to document barriers and enabling factors regarding the implementation, and a questionnaire was distributed to healthcare professionals involved in the project in each hospital. Parent's knowledge, attitudes and behaviors (KAB) about influenza immunization and acceptability of immunization in outpatient clinics were also measured with a questionnaire. As part of the project, 2,478 children were immunized. Enabling factors included the financial support received from Quebec ministry of Health, the nasal mode of administration of the LAIV and the presence of a leader specifically dedicated to influenza immunization. Barriers to influenza immunization in outpatient clinics included difficulties of hiring extra staff to work in immunization clinics and additional tasks added to regular activities of the clinics. Results from both questionnaires illustrated a high level of acceptability of seasonal influenza immunization in hospitals' outpatient clinics by parents and healthcare professionals. Influenza immunization in pediatric tertiary care hospital is an effective way to reach chronically ill children and does not involve major feasibility or acceptability issues.
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