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Related Experiment Video

Updated: Sep 24, 2025

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria

Published on: February 23, 2014

Viral Pneumonias.

Jennifer Febbo¹, Jonathan Revels¹, Loren Ketai²

¹University of New Mexico, 2211 Lomas Boulevard NE, Albuquerque, NM 87106, USA.

Radiologic Clinics of North America

|May 9, 2022

Summary

This summary is machine-generated.

Viral pneumonia, often community-acquired, typically presents as airway-centric infections. Lobar consolidation may indicate bacterial coinfection, especially in immunocompromised individuals susceptible to other viruses.

Keywords:

Community-acquired infections Immunocompromised hosts Tomography x-ray computed Viral pneumonia

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Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia

Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia

Published on: June 28, 2018

Area of Science:

Infectious Diseases
Pulmonology
Virology

Background:

Community-acquired viral pneumonia is common, frequently caused by influenza, parainfluenza, respiratory syncytial virus, human metapneumovirus, and adenovirus.
Imaging often reveals an airway-centric pattern, such as bronchiolitis and bronchopneumonia.
Bacterial coinfection should be suspected with lobar consolidation, except in adenovirus infections.

Purpose of the Study:

To describe the typical imaging patterns of viral pneumonia.
To differentiate viral pneumonia from bacterial coinfection based on imaging findings.
To discuss viral pneumonia in immunocompromised hosts and rare viral infections.

Main Methods:

Review of clinical and imaging findings in community-acquired viral pneumonia.
Analysis of chest imaging characteristics associated with specific viral pathogens.
Consideration of differential diagnoses in immunocompromised patients and specific syndromes.

Main Results:

Influenza, RSV, and other common viruses typically cause airway-centric pneumonia.
Lobar consolidation suggests bacterial coinfection, excluding adenovirus.
Immunocompromised hosts are at risk for severe disease from common viruses and opportunistic pathogens like CMV and varicella, which may not show airway-centric patterns.

Conclusions:

Viral pneumonia characteristically presents with an airway-centric pattern on chest imaging.
Lobar consolidation is a key differentiator suggesting bacterial coinfection.
Understanding these patterns is crucial for diagnosis and management, especially in vulnerable populations.