The null hypothesis is that HCQ doesn't reduce COVID-19 infection, and appears very likely to be true based on these results
I looked through the references for different countries that are supposedly about control vs treatment allocation. Most of them are 1-2 news reports or a single tweet, and I couldn't find one for any country that gave anything even vaguely approaching actual number of doses
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Because without some idea of doses by day, whatever is in those news reports or tweets could simply be wrong. The media and twitter are not perfectly reliable, after all. It's a basic, simple sense-check, without which the analysis is meaningless

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