What are the symptoms?
The early symptoms of hantavirus include fever, headache, muscle ache, abdominal pain, dizziness, chills and abdominal problems, such as nausea, vomiting, diarrhea.
About half of all Hantavirus patients experience these symptoms.
The virus moves on to symptoms including the lungs filling with fluid and shortness of breath.
In addition, some Hantaviruses can cause hemorrhagic fever with renal syndrome.
If the condition is left untreated, it can be fatal.