Related Experiment Video

Updated: Aug 15, 2026

Detection of Low Copy Number Integrated Viral DNA Formed by In Vitro Hepatitis B Infection
11:14

Detection of Low Copy Number Integrated Viral DNA Formed by In Vitro Hepatitis B Infection

Published on: November 7, 2018

[Everyday contact spread of viral hepatitis B]

B A Gerasun, M B Titov

    Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
    |October 1, 1988
    PubMed

    Insights

    Children with viral hepatitis B are more infectious than adults, spreading the virus to 4-5 contacts per 1,000. This highlights the importance of considering infection forms when assessing hepatitis B transmission risks.

    Area of Science:

    • Hepatology
    • Infectious Diseases
    • Epidemiology

    Context:

    • Investigating viral hepatitis B transmission dynamics within family clusters.
    • Analyzing infection rates based on the age of the infected individual (children vs. adults).

    Purpose:

    • To characterize the spread of viral hepatitis B in household settings.
    • To compare the infectivity of children and adults with hepatitis B.
    • To evaluate the epidemiological significance of different hepatitis B infection forms.

    Summary:

    • Children with viral hepatitis B infect 4-5 individuals per 1,000 contacts, significantly higher than adults who infect ≤1 per 1,000.
    • Latent hepatitis B virus infections are more common among contacts of infected children.
    • Overt (manifest) hepatitis B disease forms are more frequently linked to contacts with infected adults.

    Impact:

    • Informs public health strategies for controlling hepatitis B outbreaks in family environments.
    • Emphasizes the need to differentiate between latent and manifest hepatitis B cases for accurate risk assessment.
    • Highlights age-specific transmission patterns crucial for targeted prevention and intervention efforts.

    More Related Videos

    Modeling Hepatitis B Virus Infection in Non-Hepatic 293T-NE-3NRs Cells09:02

    Modeling Hepatitis B Virus Infection in Non-Hepatic 293T-NE-3NRs Cells

    Published on: June 5, 2020

    Real-Time Polymerase Chain Reaction-Based Detection and Quantification of Hepatitis B Virus DNA04:11

    Real-Time Polymerase Chain Reaction-Based Detection and Quantification of Hepatitis B Virus DNA

    Published on: December 15, 2023

    Related Concept Videos

    Infection01:20

    Infection

    When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
    The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
    Standard Precaution01:26

    Standard Precaution

    Standard precautions are the minimum infection control safeguards used while caring for all patients, irrespective of their disease condition. They help prevent the spread of common infectious microorganisms to healthcare workers, patients, and visitors in all healthcare settings.
    Hand hygiene is the most crucial means to prevent the transmission of disease. Employers are legally required to provide their workers with personal protective equipment (PPE) to minimize exposure or contact with...
    Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

    Transmission-based Precautions I: Contact, Enteric, and Droplets

    Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
    Contact Precautions:
    Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...
    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...
    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...