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Living with Argentine hemorrhagic fever

A viral illness caused by the Junin virus, starting with fever and feeling unwell and sometimes affecting bleeding and the nervous system.

Understanding Argentine hemorrhagic fever

Argentine hemorrhagic fever is a sudden viral illness caused by the Junin virus.

It begins with fever and feeling unwell, followed by stomach and gut symptoms. In some people it also leads to bleeding (hemorrhagic) or nervous system problems. It can affect people at any time in life.

Signs & symptoms

GARD doesn't list a symptom list for this condition, but its summary describes how it unfolds:

  • Fever
  • Feeling unwell (malaise)
  • Stomach and gut symptoms
  • Bleeding in some people
  • Nervous system symptoms in some people

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
How is Junin virus infection confirmed with testing?
What should I know about the bleeding and nervous system symptoms?
How can people around me protect themselves from getting infected?

Quick facts

Symptoms usually startany time in life

GARD says the Junin virus (JUNV) causes this illness.

Infectious

Also known as: ahf - argentinian hemorrhagic fever; argentinian hemorrhagic fever; endoepidemic hemorrhagic viremia; gripon; hemorrhagic fever due to junin virus; infection caused by junin virus

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Argentine hemorrhagic feverGARD ID 21411 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Argentine hemorrhagic fever.

Explore the Argentine hemorrhagic fever blog

Explore research for Argentine hemorrhagic fever

Explore actively recruiting Argentine hemorrhagic fever studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Argentine hemorrhagic fever with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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