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Discover how vaccines are made

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:

Discover how vaccines are made

Download this infographic (PDF)


Sources
(1) https://www.vaccineseurope.eu/wp-content/uploads/2020/08/A4-VE-Infographic-Manufacturing-24062020.pdf
(2) (3) https://cdn.who.int/…/vcm-southern-hemisphere-recommendation-2022/202109_recommendation.pdf?sfvrsn=698a54b9_12&download=true
(4) https://www.who.int/…/who-consultation-on-the-composition-of-influenza-virus-vaccines-for-use-in-the-2022-23-northern-hemisphere-influenza-season
(5) https://www.who.int/news/item/06-08-2009-pandemic-influenza-vaccine-manufacturing-process-and-timeline
(6) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7152262/
(7) https://www.news-medical.net/health/Vaccine-Production.aspx
(8) https://www.who.int/news-room/feature-stories/detail/manufacturing-safety-and-quality-control

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