Confusion between Vaccine Expiry and Beyond-Use Dates Leads to Multi-Patient Incident
The introduction of vaccines to protect against COVID-19 was a turning point in the management of the pandemic. Knowledge about these products continued to evolve rapidly after they were made available, which resulted in frequent updates to stability and storage requirements and associated product labelling. These changing requirements created a challenging work environment for health care providers who were administering the vaccines. This bulletin shares learning from an analysis of a multi-patient incident involving administration of COVID-19 vaccines that were past their beyond-use date (BUD).