The Office of the Medical Investigator in New Mexico released the final autopsy results in the deaths of Gene Hackman and his wife, Betsy Arakawa Hackman.

On Tuesday, it was confirmed through autopsy that Betsy died from hantavirus pulmonary syndrome. Her lungs were described as heavy and congested, with fluid accumulation in her chest and mild hardening of the vessels supplying blood to her heart and body, according to the Associated Press.

Gene Hackman, whose wife Betsy Arakawa died of hantavirus pulmonary syndrome, tested negative for the disease, according to a new autopsy.