mg, I just read this in an ABC New (Aust) article about the study on an older HIV drug and chloroquine:

Could existing drugs treat COVID-19 infections?

"Early signs are promising, after Australian researchers this week revealed they are ready to begin clinical trials of a potential treatment for COVID-19 — using two existing drugs.

"The drugs in question are an older HIV drug and an anti-malaria drug called chloroquine, which is rarely used now as the malaria pathogen has become resistant to it.

"'There's certainly positive signals either this HIV drug or this anti-malaria drug actually work really well against COVID-19,' David Paterson, director of the Centre for Clinical Research at the University of Queensland, told The Project.

"'There's certainly positive signals either this HIV drug or this anti-malaria drug actually work really well against COVID-19', David Paterson, director of the Centre for Clinical Research at the University of Queensland, told The Project."