Coconino County health officials say a Flagstaff-area woman has died from complications of hantavirus.
They say it's still unclear how the woman contracted the rare disease spread by infected rodent droppings.
The name and age of the woman weren't disclosed Friday.
Hantavirus is transmitted to people that come into contact with or breathe infected urine, droppings and-or saliva of wild mice, primarily deer mice.
The virus isn't spread from person to person.
The illness starts with fever, headache and muscle aches, and progresses rapidly to severe difficulty in breathing and can be fatal.
The last reported case in Coconino County was 2007 and the victim eventually recovered.
Health officials say there have now been 22 confirmed hantavirus cases in Arizona since 2006 and 11 of those victims died.
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