Highly Toxic Squalene MF59 Adjuvant That Caused Gulf War Syndrome In Military Servicemen Now Being Added To Some Civilian Flu Vaccines Link: Compulsory vaccination has long been a requirement to serve in the U.S. armed forces, and it is well documented that many of the vaccines administered to servicemen over the years have been experimental in nature, meaning they contained untested adjuvants and other questionable additives. But it has recently come to our attention that the highly toxic vaccine adjuvant squalene MF59, which was first given to servicemen back during the first Gulf War and later linked to causing Gulf War syndrome, is now being added to some civilian flu vaccines.