Gene Hackman's wife died of a rare virus that few had heard of before a major update in the case this week ... and TMZ has learned she had about a week after contracting Hantavirus before it quickly became fatal.
Expert Lists Gene Hackman's Wife Betsy Arakawa Symptoms before Death
Here is the deal ... Santa Fe authorities on Friday shared the shocking revelation that Betsy Arakawa likely died a week before..
TMZ