Research Liposomal Vitamin C as well. Make it yourself. It's easy to do and not too much $$. I have been making and consuming for years. This will hopefully supercharge your immune system.
Watch A world Without Cancer. They suggest Vitamin b17 (apricot seeds are rich in this) - Don't worry about the cyanide scare tactic. I have been eating them without issue. They are very bitter but you will get used to them. Read the comment section of people curing themselves.
https://www.youtube.com/watch?v=tPADSv3XAv0I'm not a doctor so keep that in mind while making any decision.
Awesome news I just realized you had a great visit. Will keep this here for any others looking.