Hantavirus symptoms can begin like a common viral illness and then become serious. Early signs are often non-specific, so exposure history matters: recent contact with rodents, rodent droppings, urine, saliva, nests, dusty cabins, sheds, garages or storage areas can be important information for a doctor.
Early symptoms people search for
CDC lists early symptoms of hantavirus pulmonary syndrome as fatigue, fever and muscle aches, especially in large muscle groups such as the thighs, hips, back and shoulders. About half of patients may also have headaches, dizziness, chills and abdominal symptoms. For the official overview, see CDC’s page on hantavirus signs and symptoms.
- Fever and unusual fatigue
- Muscle aches, especially in large muscles
- Headache, chills or dizziness
- Nausea, vomiting, diarrhea or abdominal pain
- Recent rodent exposure or cleanup of droppings
Later symptoms can involve breathing difficulty
Hantavirus pulmonary syndrome can progress to coughing and shortness of breath as the lungs are affected. CDC’s clinician overview explains that HPS can begin with flu-like symptoms and progress to more severe illness where people have trouble breathing. Read the official CDC clinical overview of Hantavirus Pulmonary Syndrome for medical framing.
Andes virus timing
Andes virus is a hantavirus associated with South America. CDC states that signs and symptoms of HPS due to Andes virus usually appear 4 to 42 days after exposure. That longer window is one reason public-health monitoring can continue after an exposure event. See CDC’s page on Andes virus.
For prevention context, read how to clean mouse droppings safely and the rodent-control checklist.