Actor Gene Hackman died of heart disease a full week after his wife died from hantavirus in their New Mexico home, likely unaware that she was dead because he was in the advanced stages of Alzheimer’s disease, authorities revealed Friday.

Betsy Arakawa died of hantavirus pulmonary syndrome at the age of 65, New Mexico health authorities said. Here’s what to know about the rare but deadly disease.

Nearly 230 measles cases have been identified in outbreaks in West Texas and a nearby New Mexico county. One hundred ninety-eight measles cases have been reported in the West Texas outbreak, the Texas Department of State Health Services said in an update Friday — 39 more confirmed cases since an update on Tuesday.

Health officials say West Texas now has almost 200 measles cases and New Mexico's case number has tripled to 30. The case counts were updated on Friday.

Texas and New Mexico on Friday reported an additional 59 cases of measles for a total of 228 known infections in those states, where an outbreak that began in West Texas in late January has spread, causing the first U.