# Zoonotic Disease

Hidden Passengers: The Diagnostic Challenge of Dormant Zoonotic Infections in Modern China

Surgeons in Chongqing successfully removed a 3-centimeter live parasite from a woman’s brain after she suffered five years of unexplained neurological symptoms. The case highlights the diagnostic difficulties of sparganosis, a parasitic infection contracted from contaminated water that can mimic tumors and evade detection for years.