They had influenza and MRSA and developed pneumonia. It would be news if they survived.
1. https://archive.ph/2024.03.13-031502/https://www.seattletime...
I think your initial percents are cumulative, but seem low, or annual, but seem on the higher side. Wasn't sure.
The chance of both them dying with an ongoing investigation, if not beset by medical issues (like this person) is pretty low.