Related Experiment Video
Updated: Sep 26, 2026

A Protocol for Analyzing Hepatitis C Virus Replication
Published on: June 26, 2014
[Hepatitis C: risk factors]
1Departamento de Gastroenterología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga No. 15, Col. Sección XVI Deleg. Tlalpan, 14000 México, D.F. florvar@quetzal.innsz.mx
Insights
Hepatitis C is primarily transmitted through blood transfusions and shared needles. Other risk factors include sexual behavior and healthcare exposure, though some transmission routes remain unclear.
Area of Science:
- Hepatology
- Infectious Diseases
- Epidemiology
Context:
- Hepatitis C virus (HCV) poses a significant global health challenge.
- Identifying transmission routes is crucial for prevention strategies.
Purpose:
- To outline the primary and secondary risk factors for Hepatitis C virus transmission.
- To clarify the contribution of various behaviors and exposures to HCV prevalence.
Summary:
- Blood transfusion and injection-drug use are the leading causes of Hepatitis C, accounting for over 50% of cases.
- High-risk sexual behavior, occupational exposure in healthcare, and hemodialysis are less common transmission routes.
- Intra-familial and perinatal transmission play minor roles, while the link between procedures like tattooing and HCV is debated.
Impact:
- This information aids in targeted public health interventions and risk mitigation.
- Understanding these factors is vital for healthcare professionals managing patient care and prevention.
Abstract:
Risk factors associated to at least 50% of hepatitis C cases are blood transfusion and injection-drug use. Less important factors are high-risk sexual behavior, job appointment in a healthcare setting and hemodialysis. Intra-familial and perinatal transmission are minor contributors to the overall prevalence of infection. The role of tattooing, acupuncture and piercing in hepatitis C transmission is controversial. There is still an important number of cases in whom no risk factor can be identified.
Related Concept Videos
Hepatitis
Viral Hepatitis I: Introduction
Cirrhosis I: Introduction
Cirrhosis II: Pathophysiology
Pulmonary Tuberculosis I
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Amebiasis