Chick Embryos and Vaccines

There are no chick embryos in vaccines.

Some vaccines, like MMR, are made or are grown in chick embryo fibroblast cells.

Others, like most flu vaccines and the yellow fever vaccine, are actually grown in the allantoic sacs of chick embryos.

But just like vaccines that are grown in baker’s yeast, most of the egg proteins are removed as the vaccine antigens are removed and purified.

For more information:

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s