Date of Completion

2024

Document Type

Thesis

Degree Name

Master in Public Health

Keywords

Barriers, Facilitators, RE-AIM model, Pharmacy-Based Immunization Services

Abstract

Background & Objectives: Vaccine hesitancy remains a significant public health concern, emphasizing the need for both vaccine safety and widespread acceptance. Pharmacy-Based Immunization Services (PBIs), introduced in the United States in 1999, aim to improve vaccine accessibility and confidence by enabling pharmacists to administer vaccines. While PBIs are growing globally, their implementation in the Asia- Pacific—particularly in the Philippines—remains underexplored. This study examined community pharmacy implementation models, identified facilitators and barriers, and gathered improvement recommendations using Glasgow’s RE-AIM framework.

Methods: A qualitative case study was conducted via Zoom in two purposively selected community pharmacies: one in Daraga, Albay (rural) and another in Muntinlupa City, Metro Manila (urban). Data were analyzed thematically based on the RE-AIM model.

Results: Two implementation models were identified: the Chain Pharmacy Model and the Rural Health Unit (RHU) Partnership Model. Key facilitators included patient trust, interprofessional collaboration, strong documentation, targeted promotional efforts, and support from professional organizations. Barriers involved limited accessibility, competing responsibilities of pharmacists, unstable RHU-drugstore partnerships, and persistent vaccine hesitancy. Participants recommended improving pharmacist compensation, ensuring service continuity, expanding access, and enhancing regulatory support.

Conclusion: Effective promotional strategies, particularly through social media and print, boost engagement and uptake. Accreditation from professional bodies and high patient satisfaction reinforce program credibility. Continuing Professional Development (CPD)-accredited training from the Philippine Society of Pharmacist Vaccinators also drives adoption. Despite differing vaccine procurement models, consistent patient compliance and adherence to best practices help sustain pharmacy-based immunization services.

First Advisor

Diana Dalisay A. Orolfo, RPh, MPH

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