HealthPossible Dangers of Swine-Flu VaccinesSavePrintSwine flu vaccines have many ingredients, including eggs protein, aborted fetal tissue, Thimerosal, Polysorbate 80, and formaldehyde. Patrick Lin/AFP/Getty ImagesPaul G. King8/24/2009|Updated: 10/1/2015 We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.Share this articleLeave a commentPaul G. KingAuthorRelated TopicsSwine fluVaccineadverse effects