Q FEVER
AAFP & CDC have known about the pros and cons of HCQ.
To explain as simply as I can, HCQ lowers the pH level in your cells, making it impossible for viruses to produce. Bacteria and parasites are also impacted negatively to this change in pH.
Sauce:
web.archive.org/web/20170507190636/https://www.aafp.org/afp/1999/0701/p281.html
cdc.gov/mmwr/preview/mmwrhtml/rr6203a1.htm
web.archive.org/web/20190616152250/https://www.cdc.gov/mmwr/preview/mmwrhtml/rr6203a1.htm