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Study Challenges Syphilis Origins, Links to Ancient Vietnam

4/12/2026

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Summary

Story summary

A study in the International Journal of Osteoarchaeology argues syphilis may not originate in the Americas.
Researchers analyzed 309 prehistoric remains from Vietnam.
They found congenital treponematosis in three children.
The remains date to 4,100–3,300 years ago and show congenital yaws.
Dr. Melandri Vlok, the study's lead author, says past interpretations should be reconsidered.

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Story summary

A study in the International Journal of Osteoarchaeology argues syphilis may not originate in the Americas.
Researchers analyzed 309 prehistoric remains from Vietnam.
They found congenital treponematosis in three children.
The remains date to 4,100–3,300 years ago and show congenital yaws.
Dr. Melandri Vlok, the study's lead author, says past interpretations should be reconsidered.