Understanding the Relationship between Vaccine Supply Dead Space and Wasted COVID-19 Vaccine Doses

INTRODUCTION: By July 2023, Brazil had administered approximately 540 million COVID-19 vaccine doses. This study aimed to quantify wasted doses resulting from dead space in vaccine supplies. METHODS: The vaccine supply was initially weighed, filled with distilled water, and expelled to simulate admi...

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Detalles Bibliográficos
Autores principales: Pessoa-Gonçalves, Yago Marcos, de Jesus, Ana Lucia Gonçalves, Desidério, Chamberttan Souza, Minchio, Gabrielly Amanda, Louzada, Arthur de Sousa, Shimano, Marcos Massao, Oliveira, Carlo José Freire
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Sociedade Brasileira de Medicina Tropical - SBMT 2023
Materias:
Short Communication
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10550090/
https://www.ncbi.nlm.nih.gov/pubmed/37792841
http://dx.doi.org/10.1590/0037-8682-0353-2023
Descripción
Sumario:INTRODUCTION: By July 2023, Brazil had administered approximately 540 million COVID-19 vaccine doses. This study aimed to quantify wasted doses resulting from dead space in vaccine supplies. METHODS: The vaccine supply was initially weighed, filled with distilled water, and expelled to simulate administration. Weighing it again after the application determined the dead space volume. Descriptive analyses calculated the waste rate/wasted dose count. RESULTS: The estimated total number of wasted vaccine doses using supplies with the lowest dead space was 62,097,338. CONCLUSIONS: Syringe dead space is a crucial factor in dose wastage, directly influencing the number of wasted doses.

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