ArticleActa medica Philippina2023
Safety of BNT162b2 COVID-19 Vaccine in Adolescent Patients of UP-PGH.
Article in Acta medica Philippina, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: In response to the pandemic brought about by COVID-19, vaccines were developed immediately. Together with adhering to safety protocols, vaccines are needed to help decrease the mortality and morbidity. As with any other, COVID-19 vaccines are evaluated based on efficacy and safety. Real world data is important in the recommendation of vaccines. Objective: This study aims to assess the short-term safety of BNT162b2 COVID-19 vaccines administered to Filipino adolescents from October 15, 2021 to December 15, 2021 at the Philippine General Hospital. The number and type of local and systemic reaction within 7 days of vaccination were determined. Methods: This is a retrospective cohort study. The review of the recorded events was done through an electronic diary that was accessed from the official Electronic Medical Records of University of the Philippines-Philippine General Hospital (UP-PGH). This included solicited and prespecified local and systemic reactions that occurred within 7 days of receipt of vaccine dose. Descriptive statistics was used to present the data. Results: Out of the 1,756 BNT162b2 vaccines administered (Dose 1 - 890; Dose 2 - 866), 13% (N=221) indicated having adverse reaction. Injection site pain was the overall most common reaction with majority (81%) experiencing it within 7 days of vaccination. Systemic reactions made up 60% of the reactions after Dose 1 and 85% of the reactions after Dose 2. This includes tiredness, headache and fever. None of the reactions required hospitalization or further workup. Conclusion: BNT162b2 vaccine has a good safety profile among adolescents vaccinated at UP-PGH, since most of the reported adverse events within 7 days of vaccination were local and systemic reactogenic reactions that did not necessitate hospitalization or work-up. No serious adverse events were reported. Further follow-up is suggested to assess longer term safety.
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