Gene Hackman and his wife, Betsy Arakawa, died a week apart of different diseases in their Santa Fe, New Mexico, home last month, authorities said Friday.

Arakawa, 65, died on or around Feb. 11 of hantavirus, a disease typically spread by rodents, the medical examiner said at a press conference. Hackman, 95, died on or around Feb. 18, a week later, of “hypertensive and atherosclerotic cardiovascular disease, with Alzheimer’s disease as a significant contributory factor,” said Dr. Heather Jarrell, chief medical investigator.

There was no food in his stomach but no evidence of dehydration, the medical examiner said.

Their dog that was found dead in a crate in a bathroom closet had been taken to the veterinarian two days prior to Arakawa’s death, possibly explaining why it was kept in the kennel, Santa Fe County Sheriff Adan Mendoza said.

He added that an investigation found there was one minor leak from a single burner on the kitchen stove that let off gas that made up 0.33% of room air ― a “pretty minute and insignificant” amount, he said, throwing cold water on speculation that the couple and their dog died of carbon monoxide poisoning.

Hackman and Arakawa were found dead in their Santa Fe home during a Feb. 26 wellness check, which was conducted after a maintenance worker saw their bodies through the windows. While one of their dogs was found dead in a crate, their other two were alive on the

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