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Related Concept Videos

Hepatitis01:25

Hepatitis

Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
Viral Hepatitis I: Introduction01:28

Viral Hepatitis I: Introduction

Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...
Cytomegalovirus Disease01:27

Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
Genital Herpes01:23

Genital Herpes

Genital herpes is a sexually transmitted infection primarily caused by herpes simplex virus type 2 (HSV-2), though herpes simplex virus type 1 (HSV-1) is increasingly implicated in genital infections, particularly among younger populations. Transmission occurs mainly through sexual contact, with asymptomatic viral shedding serving as a major route of spread. This characteristic makes HSV-2 difficult to control at a population level, as individuals may unknowingly transmit the virus even in the...

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Related Experiment Video

Updated: Jul 5, 2026

A Protocol for Analyzing Hepatitis C Virus Replication
13:04

A Protocol for Analyzing Hepatitis C Virus Replication

Published on: June 26, 2014

Desperately seeking hepatitis C virus.

Ricardo Moreno-Otero

    World Journal of Gastroenterology
    |May 14, 2008
    PubMed
    Summary
    This summary is machine-generated.

    Occult hepatitis C virus (HCV) infection involves detecting viral RNA in the body, potentially spreading the infection. This persistent replication can occur even after successful treatment.

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    Lipid Droplet Isolation for Quantitative Mass Spectrometry Analysis
    10:23

    Lipid Droplet Isolation for Quantitative Mass Spectrometry Analysis

    Published on: April 17, 2017

    Area of Science:

    • Hepatology
    • Virology
    • Infectious Diseases

    Background:

    • Occult hepatitis C virus (HCV) infection is characterized by the presence of viral RNA in liver and blood cells.
    • Spanish researchers have detailed the detection of both genomic and antigenomic HCV RNA strands.

    Discussion:

    • Persistent viral replication in occult HCV infection poses a potential transmission risk.
    • This risk extends to close contacts, individuals undergoing medical procedures, transfusions, or organ transplantation.

    Key Insights:

    • Occult HCV infection demonstrates ongoing viral replication.
    • Viral persistence is a significant concern, particularly in immunocompromised or treated individuals.

    Outlook:

    • Further research is needed to understand the full implications of occult HCV infection.
    • Strategies to prevent transmission and manage persistent infections require development.