Former White House Counsel C. Boyden Gray published an editorial in The American Conservative on October 19th, 2021 arguing that there is substantial evidence to suggest that Hydroxychloroquine is effective in treating Covid-19. He writes,

Hydroxychloroquine, a 70-year-old malaria drug that is also regularly used to treat lupus and rheumatoid arthritis, is inexpensive and has an excellent safety profile. It has been used to treat over two billion people. Before the pandemic, the Centers for Disease Control (CDC) recommended that adults and children of any age could take it safely, including pregnant women and nursing mothers.

But despite studies, including a study by French epidemiologist Dr. Didier Raoult, showing the drug’s efficacy, Gray writes,

[t]he press reaction to these studies has ranged from the dismissive to the outright hostile. In May, The New York Times Magazine ran a nearly 8,000-word feature attacking Dr. Raoult personally.

The full editorial can be found at The American Conservative.