Hanta Virus | Medtick

Hanta Virus

What is it?

A life threatening viral condition caused by exposure to rodents and deer mice urine and faeces especially during camping and going in to old unused buildings, that may lead to severe respiratory conditions i.e. pneumonia and/or respiratory damage and/or internal bleeding and/or kidney damage.

  • It does not spread between humans apart from a rare strain called Andes virus strain where rare instances of human transmission have been documented.
  • Symptoms usually appear between two to four weeks after being exposed to the virus, but can occur more than a month later.

Urgent Hospital testing and Contact tracing

If one believes they have this condition urgent hospital support is required and for urgent testing. Contact tracing is required to prevent an out break occurring and isolation is required.

Isolation Period

The isolation period for Hanta virus during incident or outbreak is typically recommended to be 45 days (approximately six weeks), though it can be extended to eight weeks

Diagnosis tests

  • Blood tests:
    • Serology (Antibody Tests): The primary method is testing for IgM and IgG antibodies to the virus using immuno-fluorescent assays (IFA) or ELISA.
    • Molecular Testing (RT-PCR): Detects viral RNA in blood or respiratory samples, which can confirm the infection, particularly in early stages.
    • Complete Blood Count (FBC): Doctors look for warning signs like low platelet counts, high hematocrit, or abnormal white blood cells.
  • Imaging:
    • Chest X-rays are crucial to detect fluid build up in the lungs typical of Hantavirus Pulmonary Syndrome (HPS)

Cleveland clinic

  • Kidney function tests
  • Liver function tests
  • Electrolytes
  • Inflammation markers
  • Urine tests

Countries affected are:

North America

  • United States of America (Alaska, Hawaii, Oahu, Maui)

South America

  • Argentina

Europe & Russia

  • Albania
  • Austria
  • Croatia
  • Germany
  • Greece (Corfu, Crete, Rhodes)
  • Hungary
  • Republic of North Macedonia
  • Slovenia
Ibuprofen and other NSAIDs should not be used as this condition can affect your kidneys. Check with your Medical doctor/Pharmacist when one can have any type of fever reducing medication to make sure it suitable for you.

Cause

  • Virus: Hanta virus

These strains primarily cause Hantavirus Pulmonary Syndrome (HPS), a severe respiratory illness.

  • New World Hantaviruses (The Americas)
    • Sin Nombre Virus (SNV): The most common cause of HPS in the western United States, primarily carried by the deer mouse.
    • Andes Virus (ANDV): Found in South America (Argentina and Chile). It is uniquely significant as the only hantavirus known to spread between humans, typically through very close contact.
    • Other Strains: Includes the New York virus, Bayou virus, and Black Creek Canal virus.

These variations typically cause Haemorrhagic Fever with Renal Syndrome (HFRS), which primarily affects the kidneys

  • Old World Hantaviruses (Europe and Asia)
    • Hantaan Virus (HTNV): A major cause of severe HFRS in East Asia, carried by the striped field mouse.
    • Seoul Virus (SEOV): Found worldwide because it is carried by common brown and black rats. It generally causes a moderate form of HFRS.
    • Puumala Virus (PUUV): Common in Europe (especially Scandinavia and Russia). It causes a milder form of HFRS known as nephropathia epidemica.
    • Dobrava-Belgrade Virus (DOBV): Found in the Balkans and Central Europe, often causing severe HFRS
  • Exposure to rodents and mice nesting, urine and droppings.
    • Infected by breathing in air contaminated with virus particles from rodent urine, droppings, or saliva
    • Transmission between people occurs only through close contact (Andes virus strain) People can catch it from someone that they spend prolonged time with in close physical proximity.

Symptoms

Symptoms develop suddenly:

  • High temperature greater than 38°C (100°F) or over and/or chills and sweats?
  • Aching, painful muscles, muscle cramps/spasms/stiffness?
  • Dry cough longer than three weeks or breathing difficulties?
  • General discomfort (muscle weakness), uneasiness or ill feeling (malaise) and/or fatigue (tiredness)?
  • Headache which is on and off or a constant headache longer than 24 hours?
  • Balance and dizziness problems?
  • Low blood pressure?

Complications /Information to beware of/General tips:

Medical Emergency Condition

Do not wait, phone for an ambulance if have or develop:


This condition may show similar symptoms to:


Urgent Hospital testing and Contact tracing

If one believes they have this condition urgent hospital support is required and for urgent testing. Contact tracing is required to prevent an out break occurring and isolation is required.

Isolation Period

The isolation period for Hanta virus during incident or outbreak is typically recommended to be 45 days (approximately six weeks), though it can be extended to eight weeks

Detailed Information

Please copy and paste any key words from the title: Hanta Virus in the following respective 'Medtick References and/or Sources' to find out more about the disease (this also may include diagnosis tests and generic medical treatments).

  • Medical News Today

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  • NHS

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  • Cleveland Clinic

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  • Drugs.com

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  • National Organisation of Rare Diseases

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  • Verywell Health

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  • Nathnac

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  • DR Axe

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  • Better health - NHS

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