Related Experiment Video

Updated: Aug 10, 2026

Dissecting Host-virus Interaction in Lytic Replication of a Model Herpesvirus
11:28

Dissecting Host-virus Interaction in Lytic Replication of a Model Herpesvirus

Published on: October 7, 2011

Role of viruses in middle-ear disease

T Chonmaitree1, T Heikkinen

  • 1Department of Pediatrics, University of Texas Medical Branch, Galveston 77555-0371, USA.

Annals of the New York Academy of Sciences
|June 9, 1998
PubMed

Insights

Viruses play a significant role in the development of otitis media (OM). Viral infections trigger immune responses, leading to ear pathology and increasing susceptibility to bacterial infections.

Area of Science:

  • Virology
  • Immunology
  • Otolaryngology

Background:

  • Otitis media (OM) is a common condition, particularly in children.
  • The role of viral infections in OM pathogenesis is increasingly recognized.

Purpose of the Study:

  • To synthesize evidence on the role of viruses in otitis media pathogenesis.
  • To elucidate the mechanisms by which viral infections contribute to OM.

Main Methods:

  • Review of existing studies on viral infections and OM.
  • Analysis of animal models and in vitro cell cultures.
  • Examination of clinical data from adults and children with upper respiratory infections (URI) and OM.

Main Results:

  • Ample evidence supports a viral role in OM pathogenesis.
  • Viruses induce immune and inflammatory responses affecting the Eustachian tube (ET) and middle ear.
  • Viral infections predispose individuals to secondary bacterial infections.

Conclusions:

  • Viruses are significant contributors to the pathogenesis of otitis media.
  • Viral-induced inflammation and immune responses create conditions favorable for bacterial superinfection.

More Related Videos

Surgical Method for Virally Mediated Gene Delivery to the Mouse Inner Ear through the Round Window Membrane07:32

Surgical Method for Virally Mediated Gene Delivery to the Mouse Inner Ear through the Round Window Membrane

Published on: March 16, 2015

High-Speed Human Temporal Bone Sectioning for the Assessment of COVID-19-Associated Middle Ear Pathology03:42

High-Speed Human Temporal Bone Sectioning for the Assessment of COVID-19-Associated Middle Ear Pathology

Published on: May 18, 2022

Related Concept Videos

Intracellular Movement of Viruses and Bacteria01:10

Intracellular Movement of Viruses and Bacteria

Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include those belonging to the genus Rickettsia responsible for conditions such as rocky mountain spotted fever and the Mediterranean spotted fever; Chlamydia, a genus responsible for a sexually transmitted disease; Coxiella burnetii, an agent responsible for Q fever. Viral pathogens include vaccinia—a poxvirus, and herpes simplex virus—a virus that...
Viruses of Archaea01:29

Viruses of Archaea

Archaeal viruses play a crucial role in the ecosystems of extremophilic archaea, particularly those belonging to the phyla Euryarchaeota and Crenarchaeota. By shaping host evolution and facilitating gene transfer, these viruses influence microbial communities and contribute to genetic diversity in extreme environments. The archaea they infect thrive in acidic hot springs and hydrothermal vents characterized by high temperatures and low pH. Archaeal viruses exhibit remarkable structural...
Viral Meningitis01:18

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...
Poliomyelitis01:17

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...
Respiratory Syncytial Virus Disease01:29

Respiratory Syncytial Virus Disease

Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...