Aids and syphilis have similar epidemiology immunology and pathologies in addition the current methods of defecting and treating syphilis are inadequate the similarities between syphilis and aids support the need for further research into their relationships including the role treponema pallidum may play in aids etiology. Syphilis and aids are identical twins born generations apart the face of syphilis in our collective memory is so much older that nobody puts the portraits side by side to observe the remarkable family resemblance between these blood brothers in the dynasty of sex doom and death. Title syphilis as aids author mitchell robert ben 1958 note 1990 link pdf at trafncom stable link here https onlinebookslibraryupennedu webbin book . Syphilis was one of the leading causes of morbidity and mortality and those who had the disease were burdened with a social stigma it was considered a disease of bad blood but success was soon to follow in only 10 years from 1900 to 1910 the treponema pallidum was discovered as the cause of syphilis animal models were developed for research