New Delhi, April 30 -- Betsy Arakawa, the concert pianist who was married to actor Gene Hackman, died from hantavirus pulmonary syndrome, according to an autopsy report released Tuesday that said that her lungs were heavy and congested.

Arakawa, 65, had fluid accumulation in her chest and mild hardening of the vessels that supplied blood to the heart and body, according to the autopsy reports

Hantavirus is a rare but potentially fatal disease spread by infected rodent droppings.

Arakawa tested negative for COVID-19 and the flu and showed no signs of trauma, the autopsy report said. Her carbon monoxide levels were within normal range, and she tested positive for caffeine and negative for alcohol and intoxicating drugs.

Arakawa's autops...