Early treatment with hydroxychloroquine: a country-based analysis

Source

From the FAQ:

Why should we trust @CovidAnalysis? There is no need to. We provide organization and analysis, but all sources are public and you can easily verify everything. For the country-based analysis, all data is public and the analysis is simple to replicate. We also note that many equally qualified experts report contradictory conclusions. If you don’t like our analysis, you can use our database to locate information you may have missed for your own research.

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It’s also available as a 65-page PDF file.