Betsy Arakawa died from hantavirus pulmonary syndrome, a rare rodent-spread disease with a mortality rate up to 50% in the American Southwest, officials said.

Betsy Arakawa — the classical pianist married to Gene Hackman — died last month of hantavirus pulmonary syndrome, a rare infectious disease linked to rodents, New Mexico authorities announced Friday.

New Mexico officials have released what caused the death of Gene Hackman and his wife Betsy Arakawa who died about a week apart at their home.