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This article is part of a series of explainers on vaccine development and distribution. Learn more about vaccines – from how they work and how they’re made to ensuring safety and equitable access – in WHO’s Vaccines E...
The production of vaccines is usually done in a living organism or a group of cells. Because cells contain the cell parts needed to read the DNA instructions and create proteins, they are perfect “factories” to create...
This chapter outlines the basics of manufacturing a vaccine and a description of some examples of currently licensed products. It then moves to the regulatory requirements for vaccine manufacturing including current G...
Since vaccines are biological products, most conventional viral vaccines need to be grown on biological material, such as chicken eggs with influenza vaccines, mammalian cells with hepatitis A vaccines, or yeast for h...
Once it’s approved, the vaccine then must be manufactured and distributed, which is a complex and time-consuming process. But not a lot of vaccines actually make it this far.
Learn more about the vaccine-making process with Pfizer. Explore the meticulous journey of how vaccines are made, unraveling the science behind vaccine development.
Once the antigen is produced, it is carefully isolated and purified. Additional ingredients are then incorporated to boost its effectiveness and maintain stability during storage. Finally, the vaccine is manufactured ...
The vaccine manufacturing process is a highly regulated and meticulously executed journey that begins with the careful selection of target pathogens or antigens. Manufacturing vaccines consists of various steps, inclu...
In this article we look at how vaccines are made, an important process which many parts of the world depend on for public health and safety. While it may seem obvious, the first stage in the production of vaccines is ...
Vaccine Science: How Are Vaccines Made? Several basic strategies are used to make vaccines, as shown in this infographic. The strengths and limitations of each approach are described here.
