Any yea, somebody here is going to say he deserves it. Whatever. The relative has been there for me when I needed help, and it would be nice to keep him around a while longer.
p.s. 13 year old unvaxxed relative in the same household got covid at the same time. Has the sniffles and is fine.
There might be some useful information in this post: https://market-ticker.org/cgi-ticker/akcs-www?post=243683
There's a bit of backstory and then a listed treatment plan for covid that was successful.