Importance of viruses in acute otitis media

Johanna Nokso-Koivisto1, Tal Marom, Tasnee Chonmaitree

  • 1aDepartment of Otorhinolaryngology, Helsinki University Central Hospital, Helsinki, Finland bDepartment of Otolaryngology-Head and Neck Surgery, Edith Wolfson Medical Center, Tel Aviv University Sackler School of Medicine, Holon, Israel cDivision of Infectious Diseases, Department of Pediatrics, University of Texas Medical Branch, Galveston, Texas, USA.

Abstract

Insights

Acute otitis media (AOM) is linked to viral upper respiratory infections. Preventing viral infections and bacterial colonization is key to reducing childhood AOM burden.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Otolaryngology

Background:

  • Acute otitis media (AOM) frequently complicates viral upper respiratory tract infections (URTIs).
  • Interactions between bacterial otopathogens and respiratory viruses are critical in AOM development.
  • Understanding these viral-bacterial dynamics offers potential for novel AOM prevention strategies.

Purpose of the Study:

  • To review current understanding of viral and bacterial roles in AOM.
  • To explore how viral-bacterial interactions influence AOM pathogenesis.
  • To identify strategies for reducing the global burden of AOM in children.

Main Methods:

  • Review of recent scientific literature on AOM pathogenesis.
  • Analysis of evidence linking viral URTIs to AOM development.
  • Examination of the impact of vaccination on AOM incidence.

Main Results:

  • AOM can occur during viral URTIs without bacterial colonization.
  • Respiratory syncytial virus is the most frequently identified virus in AOM cases.
  • Symptomatic viral infections, not asymptomatic ones, are crucial for AOM development.
  • Vaccines (pneumococcal, influenza) have reduced AOM-related healthcare use.
  • No new vaccines for respiratory viruses beyond influenza have been introduced.

Conclusions:

  • Significant progress has been made in reducing AOM burden over the past decade.
  • Future AOM reduction strategies must focus on preventing bacterial colonization and viral URTIs.

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