causation of gulf war illness mercury poisoning thimerosal it was confirmed beyond reasonable doubt that gulf war illness was caused by mercury poisoning from all vaccines soldiers were forced to take cointaining deadly ethyl mercury alkso known as thimerosal causing severe irreversible mercury poisoning and parkinsonian's symptoms the vaccines manufacturers concealed the fact that all vaccines had deadly doses of ethgyl mercury causing cumulative mercury poisoning from all vaccines given to great majority of veterans