पारतुससिस टिकायाव इटाइल पाराया ( थिमारअस्ल ) दाजाब देरनायनि जिनै बोसोर उनाव , 1943 आव औथिजोमा आमेरिकानि गथ'फोरनाव मिथिजादोंमोन ।
Autism was discovered in 1943 in American children twelve years after ethyl mercury thimerosal was added to the pertussis vaccine .