Colorado tick fever virus (CTFV)

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Record number: 
Adverse Occurrence type: 
MPHO Type: 
Time to detection: 
Days, not stated precisely.
Alerting signals, symptoms, evidence of occurrence: 
Demonstration of imputability or root cause: 
Donor developed symptoms (fever and dizziness) 18 hours post blood donation and 4 days after sustaining a tick bite. Recipient developed prolonged fever following transfusion. Colorado tick fever virus was isolated from the cellular fraction of the patient's peripheral blood and the patient recovered.
Imputability grade: 
1 Possible
Reference attachment: 
Suggest references: 
Centers for Disease Control: Transmission of Colorado tick fever virus by blood transfusion -- Montana. MMWR; (1975) 24:422-7.