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Hepatitis C virus may be spread through saliva: avoid toothbrush sharing.(Clinical Rounds)
CHICAGO -- Intermittent shedding of hepatitis C virus in saliva is common in infected individuals, Dr. Chia C. Wang reported at the annual Interscience Conference on Antimicrobial Agents and Chemotherapy.
This observation raises the possibility that hepatitis C infection may be spread through salivary contact, as by sharing food or kissing, although this is speculative, noted Dr. Wang of the University of Washington, Seattle.
The epidemiology of hepatitis C virus (HCV) infection is not fully understood. Roughly 60% of U.S. cases occur in injection drug users. Another 10% of cases are collectively accounted for by known perinatal, nosocomial, occupational, and household exposures.
The role of sexual transmission remains unclear. But roughly 20% of HCV-infected individuals have either had sex with someone known to have HCV or have had multiple unprotected sexual encounters.
That leaves roughly 10% of HCV-infected patients with no recognized source of infection. Salivary transmission is one potential ...
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Source: HighBeam Research, Hepatitis C virus may be spread through saliva: avoid toothbrush...