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Health guide

Hantavirus Symptoms Guide

Hantavirus infection can begin with flu-like symptoms and may progress to severe breathing problems. Use this guide for awareness only, not diagnosis.

1

Early symptoms

Early signs can resemble flu or other common illnesses, especially after cleaning or entering places with rodent activity.

  • Fever and chills
  • Severe fatigue
  • Muscle aches
  • Headache or dizziness
  • Nausea, vomiting, diarrhea, or abdominal pain
2

Emergency warning signs

Breathing symptoms after possible rodent exposure need urgent medical attention.

  • New or worsening cough
  • Shortness of breath
  • Chest pressure
  • Rapidly worsening weakness
3

What to tell a clinician

Tell the clinician where and when exposure may have happened, whether dry sweeping or vacuuming occurred, and how quickly symptoms are changing.