A Connecticut man who went to an urgent health care facility with an earache died about three weeks later from infection of the middle ear that led to a bone infection and then a brain abscess, an alleged result of medical negligence, according to a lawsuit filed by his family. Serhii Zaiats died on Sept. 20, 2025, and a subsequent autopsy confirmed his cause of death, the suit says. There was failure “to timely diagnose that the plaintiff deced…