It’s so different for person to person.

Mine lasted a day. Couldn’t even call it the flu. Probably latest version. Who knows. All I took was two Tylenol in the beginning.

A gentleman I know had his 38 year old son die of it just before New Years. He did have some medical issues, but not expecting death.

"...aspire to live quietly, and to mind your own affairs, and to work with your hands, as we instructed you, so that you may walk properly before outsiders and be dependent on no one." - Paul to the church in Thessalonica.