Discovered in humans in 2009 in the state of Montana.
Found to date also in Texas and Oklahoma.
Transmitted by lone star tick. Caused by Phlebovirus.
Symptoms: Fever, Leucopenia (decrease in the number of total white blood cells count), Thrombocytopenia (low platelet).
Testing: viral RNA by reverse transcriptase–polymerase chain reaction on blood or tissue
or 2) a ≥4-fold rise in virus-specific plaque reduction neutralization antibody titers between acute and convalescent serum specimens.
Treatment: None, 10 cases, 2 deaths to date (9/14)*d Virus