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Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia
Published on: June 28, 2018
Avian and human metapneumovirus
1Department of Microbiology, All India Institute of Medical Sciences Hospital, New Delhi, India. shobha.broor@gmail.com
Abstract:
Pneumovirus infection remains a significant problem for both human and veterinary medicine. Both avian pneumovirus (aMPV, Turkey rhinotracheitis virus) and human metapneumovirus (hMPV) are pathogens of birds and humans, which are associated with respiratory tract infections. Based on their different genomic organization and low level of nucleotide (nt) and amino acid (aa) identity with paramyxoviruses in the genus Pneumovirus, aMPV and hMPV have been classified into a new genus referred to as Metapneumovirus. The advancement of our understanding of pneumovirus biology and pathogenesis of pneumovirus disease in specific natural hosts can provide us with strategies for vaccine formulations and combined antiviral and immunomodulatory therapies.
Insights
Pneumovirus infections pose risks to both humans and animals, causing respiratory illnesses. Understanding pneumovirus biology and disease pathogenesis is key to developing effective vaccines and therapies.
Area of Science:
- Virology
- Infectious Diseases
- Comparative Medicine
Background:
- Pneumovirus infections represent a significant challenge in human and veterinary medicine.
- Avian pneumovirus (aMPV) and human metapneumovirus (hMPV) are significant respiratory pathogens affecting birds and humans, respectively.
- These viruses share characteristics necessitating their classification into the new Metapneumovirus genus due to distinct genomic organization and low sequence identity with existing paramyxoviruses.
Purpose of the Study:
- To highlight the significance of pneumovirus infections in both human and veterinary contexts.
- To underscore the importance of understanding pneumovirus biology and pathogenesis.
- To identify potential avenues for therapeutic and preventative strategies.
Main Methods:
- Comparative genomic analysis to establish taxonomic classification.
- Pathogenesis studies in relevant host models (implied).
- Review of existing literature on pneumovirus biology and disease.
Main Results:
- Pneumoviruses, including aMPV and hMPV, are distinct pathogens causing respiratory disease in multiple species.
- aMPV and hMPV have been reclassified into the genus Metapneumovirus based on genomic differences.
- Understanding disease mechanisms is crucial for developing interventions.
Conclusions:
- Pneumovirus infections require continued research attention due to their impact on public and animal health.
- The classification of aMPV and hMPV into the Metapneumovirus genus reflects their unique biological characteristics.
- Further research into pneumovirus biology and pathogenesis will facilitate the development of novel vaccines and therapies, including combined antiviral and immunomodulatory approaches.
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