Baldwin77,
You have to dig into the story of Dr.Judy Mikovits, which keeps getting deleted on YouTube to learn about her theory about the influenza vaccines which have animal components in them. Goto Bing.com and search Mikovits.
Egg-Based Flu Vaccines
Cell-Based Flu Vaccines
Recombinant Flu Vaccines
https://www.cdc.gov/flu/prevent/how-fluvaccine-made.htm
you can find her videos on ugetube.com (utah gun exchange). videos do not get removed here (patriots)
Oh, believe me, I’ve seen the video and posted it on FB MANY times.