Most of the vaccines we receive have origins in
bacteria. The vaccine is made of germs that cause
the disease, but are in an inactive or weakened
form so you don't get sick.
Usually, the flu vaccine is made in
chicken eggs. There are three vaccines that
use gelatin from pigs to make the vaccine
more stable in storage. They are three variations
of the flu, MeaslesMumpsRubella (MMR), and adult
shingles vaccine that use this gelatin from
However, yes, there are many other options for
these vaccines which are equally effective.
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