No this is hard science.. the odd thing is that folks are trying to stop it.. because they want this panic.
Check this out: http://www.freerepublic.com/focus/news/3827150/posts?page=30#30
and this:
http://www.freerepublic.com/focus/news/3827150/posts?page=32#32
Zinc and Corona virus
Or directly: https://www.youtube.com/watch?v=U7F1cnWup9M
and this:
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0109180
I say go for it. Minimal downside risk with huge upside potential.