Related Experiment Video
Updated: Jun 16, 2026

10:03
Swab Sampling Method for the Detection of Human Norovirus on Surfaces
Published on: February 6, 2017
[Norovirus infections]
Juan Manuel Ribes Fernández1, Javier Buesa Gómez
1Departamento de Microbiología y Ecología, Universidad de Valencia, España.
Enfermedades Infecciosas Y Microbiologia Clinica
|February 23, 2010
Summary
Noroviruses cause widespread gastroenteritis outbreaks and sporadic cases. Individual susceptibility is linked to genetically determined histo-blood group antigens, influencing virus-host interactions.
Area of Science:
- Virology
- Immunology
- Epidemiology
Context:
- Noroviruses are a leading cause of acute gastroenteritis in all age groups, responsible for both epidemic outbreaks and sporadic cases.
- The increasing application of molecular diagnostic methods is crucial for accurately assessing the true impact and prevalence of norovirus infections.
- Understanding norovirus epidemiology is vital, as strains evolve sequentially, similar to influenza viruses.
Purpose:
- To highlight the significant public health impact of norovirus infections, including mild, severe, and chronic presentations.
- To explore the complex virus-host relationship, focusing on host genetic factors like histo-blood group antigens (ABO, Lewis, secretor) that influence susceptibility.
- To emphasize the role of molecular epidemiology in identifying prevalent norovirus genotypes and tracking viral evolution.
Summary:
- Norovirus infections, causing gastroenteritis, affect all ages and range from mild to severe or chronic, particularly in the elderly and immunocompromised.
- Host genetic factors, specifically histo-blood group antigens, play a key role in determining individual susceptibility to norovirus infection.
- Molecular epidemiology reveals the genetic diversity of noroviruses and their sequential evolution, impacting public health surveillance.
Impact:
- Enhanced understanding of norovirus pathogenesis and host-receptor interactions.
- Improved diagnostic strategies and epidemiological surveillance for norovirus outbreaks.
- Potential for developing targeted interventions based on host genetic susceptibility and viral diversity.
Related Concept Videos
Bacterial Gastroenteritis
Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...
Poliomyelitis
Poliomyelitis is caused by poliovirus, a small, non-enveloped, positive-sense RNA virus of the Picornaviridae family and Enterovirus genus. Transmission occurs primarily via the fecal-oral route, often through ingestion of contaminated water or food. The virus initially replicates in the oropharynx and intestinal mucosa, particularly in lymphoid tissues such as the tonsils, Peyer’s patches, and regional lymph nodes. Primary viremia follows, allowing dissemination throughout the body.In most...
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 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...
Viral Meningitis
Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
Influenza
Influenza is an acute, highly communicable viral disease that affects the respiratory tract and is responsible for seasonal epidemics worldwide. Influenza A is the most prevalent type associated with widespread outbreaks and is subtyped based on two surface glycoproteins: hemagglutinin (H) and neuraminidase (N), as in H1N1. These glycoproteins are essential for viral infectivity, transmission, and immune recognition. Transmission occurs primarily through respiratory droplets and contaminated...

