So that’s why the I didn’t work? Flu?
They may have waited too long. There is a protocol involved. You can’t wait until you are on death’s door.
https://covid19criticalcare.com/wp-content/uploads/2020/11/FLCCC-I-MASK-Protocol-v4-2020-11-22.pdf
It does not appear to work for everybody. There is nothing that always works for everybody. We do the best we can with what we have. I have lost a family member to COVID. I have other relatives who have recovered from COVID.
I am sorry that you lost someone.