Human Metapneumovirus: A Largely Unrecognized Threat to Human Health

Charles J Russell1,2, Rhiannon R Penkert1, Sonnie Kim3

  • 1Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.

Insights

Human metapneumovirus (HMPV) is a common childhood respiratory virus with no current vaccine or treatment. Increased awareness is crucial for developing interventions and preventing severe illness in vulnerable populations.

Area of Science:

  • Virology
  • Public Health
  • Immunology

Background:

  • Human metapneumovirus (HMPV) is a significant respiratory pathogen.
  • Infection is nearly universal in children by age five.
  • HMPV poses a serious threat to young children and the elderly.

Purpose of the Study:

  • To highlight the public health impact of HMPV.
  • To emphasize the need for HMPV vaccine development.
  • To underscore the urgency for HMPV treatment research.

Main Methods:

  • Literature review on HMPV epidemiology and disease burden.
  • Analysis of current therapeutic and vaccine development landscape.
  • Assessment of public health implications and research priorities.

Main Results:

  • HMPV causes substantial upper and lower respiratory tract disease.
  • High-risk groups include infants, young children, and the elderly.
  • No licensed vaccines or standard treatments are currently available for HMPV.

Conclusions:

  • There is a critical need for increased awareness of HMPV's impact.
  • Accelerated research is required to complete vaccine development.
  • Preventing HMPV-associated morbidity and mortality necessitates a concerted global effort.

Related Concept Videos

Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
653
Viral Recombination00:57

Viral Recombination

Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
24.8K
Pneumonia V: Nursing management and Prevention01:30

Pneumonia V: Nursing management and Prevention

Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
3.3K
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
2.4K
Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
1.8K
Viral Mutations00:36

Viral Mutations

A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
39.4K