drugs.com/hydroxychloroq…
ncbi.nlm.nih.gov/pmc/articles/P…
The key observation here is that while anti-viral activity has been observed in a petri dish, those results have not been reproduced in humans. /5

Note that this study is "in vitro" (in other words in a dish), not clinical trial level - this is important when you consider the meta study I mentioned earlier. /6
pubmed.ncbi.nlm.nih.gov/32150618/?from…

pubmed.ncbi.nlm.nih.gov/32281213/?from…
irishtimes.com/life-and-style…