COVID-19 Vaccine Handling Toolkit Maximizing Doses of …

Preparing Pfizer-BioNTech COVID-19 Vaccine Prepare for Dilution 1 A Pfizer-BioNTech COVID-19 vaccine vial must reach room temperature before dilution and be diluted within 2 hours of removal from frozen or refrigerated storage. Inspect liquid to ensure it is a white to off-white suspension which may contain white to off-white opaque amorphous …

https://www.usp.org/sites/default/files/usp/document/our-impact/covid-19/maximizing-doses-of-the-pfizer-biontech-covid-19-vaccine.pdf