Articles

Vaccines are complex biological products, and manufacturing them can be a lengthy process ⁽¹⁾. Quality controls throughout ensure vaccines are produced using the highest possible standards. These controls, which can represent up to 70% of the overall manufacturing time ⁽¹⁾, ensure the end product is a high-quality, safe and efficacious vaccine.

The most common way that flu vaccines are made is using an egg-based manufacturing process that has been used for more than 70 years ⁽²⁾. Let’s take a look:

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Sources
(1) https://www.vaccineseurope.eu/wp-content/uploads/2020/08/A4-VE-Infographic-Manufacturing-24062020.pdf
(2) https://www.cdc.gov/flu/prevent/how-fluvaccine-made.htm
(3) https://eswi.org/knowledge-center/wp-content/uploads/sites/11/2017/02/vaccine-manufacturing.pdf
(4) https://www.who.int/news/item/06-08-2009-pandemic-influenza-vaccine-manufacturing-process-and-timeline
(5) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7152262/
(6) https://www.news-medical.net/health/Vaccine-Production.aspx
(7) https://www.who.int/news-room/feature-stories/detail/manufacturing-safety-and-quality-control