re: #553 Love-Child of Cassandra and Sisyphus
Many people have undiagnosed diseases. She well could have had an autoimmune problem that had not yet become prominent enough at her age to be noticed.
One of the Czech fatalities had metastatic cancer. He was entirely unaware of it, as were doctors until he was admitted to the hospital shortly before his death. He hadn’t sought medical services in at least four years, according to the doctors.