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2025년 7월 3일, 목요일
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[Jaymin] The Emerging Public Health Concern of Human Metapneumovirus

2025년 01월 08일
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Sick woman in a mask having a difficulty breathing Image by rawpixel.com on Freepik

A Hidden Threat to Vulnerable Populations and Healthcare Systems

Human Metapneumovirus (HMPV) is a lesser-known virus that has become an emerging concern for public health.

First identified in 2001, HMPV is related to viruses like RSV (Respiratory Syncytial Virus) and influenza. It primarily affects young children, the elderly, and people with weakened immune systems. While often overlooked, it has the potential to cause serious health issues in the future.

Jaymin Park

HMPV spreads through respiratory droplets, close contact, and contaminated surfaces. It can cause symptoms ranging from mild cold-like illnesses to severe respiratory infections such as bronchitis and pneumonia. In vulnerable populations, it has been linked to hospitalizations and deaths. Its ability to circulate alongside other respiratory viruses during flu seasons can increase the strain on healthcare systems, making it more challenging to manage outbreaks.

Lack of Treatments and Vaccines

One major issue is the lack of specific treatments or vaccines for HMPV. Current care focuses on relieving symptoms, such as providing oxygen or fluids in severe cases. Unlike better-known viruses like influenza, HMPV has not received enough attention to develop targeted solutions. This lack of preparedness leaves people vulnerable to outbreaks, especially as global travel makes it easier for viruses to spread quickly.

Climate change and urbanization could make HMPV an even greater threat. Rising temperatures and shifting weather patterns may allow the virus to spread for longer periods and reach new areas. Crowded cities and increased interactions between humans and animals may also give the virus more opportunities to evolve into more dangerous forms.

HMPV could also add to the pressure on healthcare systems during respiratory illness surges, such as those caused by the flu or COVID-19. Its tendency to co-infect with other viruses can make diagnosis and treatment more difficult, prolonging illness and increasing complications, especially in countries with limited medical resources.

The Importance of Research and Preparedness

To address this threat, increased research and funding are crucial to better understand how HMPV spreads, evolves, and behaves. Developing vaccines and antiviral treatments specifically for HMPV is essential to protect vulnerable groups. Simple preventive measures like frequent handwashing and avoiding contact during outbreaks remain vital in controlling its spread.

While fears of a COVID-19-style pandemic due to HMPV are unfounded, experts emphasize the importance of awareness and precaution. “HMPV is globally present and has been around for decades. This means people across the world have some degree of existing immunity due to previous exposure,” says Dr. Hsu. Paul Hunter, a medical professor at the University of East Anglia, adds, “Almost every child will have at least one infection with HMPV by their fifth birthday, and we can expect to go on to have multiple reinfections throughout life. So overall, I don’t think there is currently any sign of a more serious global issue.”

Although experts believe HMPV is unlikely to cause a pandemic like COVID-19, it is important to stay vigilant. Most people have some immunity due to previous exposure, and children often experience their first infection by age five. However, the virus can still cause repeat infections throughout life. Investing in research and preparedness today will not only reduce the risks from HMPV but also strengthen defenses against other infectious diseases in the future.

 

<Student Reporter Jaymin Park> jpola0412@gmail.com

Jaymin Park is a student in Palos Verdes High School

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