Health

How Vaccines Are Made and Distributed

Health

How Vaccines Are Made and Distributed

Create an antigen (a substance that provokes your immune system). Scientists do this by literally growing it in a cell—like the basil plant on your window, but tiny. Take the baby antigen out of the cell where it was grown. Basil's gotta become pesto at some point. The antigen is purified through processes. In some cases, some extra spices are added to strengthen the antigen, or to add shelf life.

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