Except that there are AT LEAST *two* facts there-yes, more vaccines (yayy!) - yes sick kids (boo) But latter is not linked to the former https://twitter.com/VeritasDolor/status/885679444643512320 …
Except they are cheaper. I've *just* shown you the evidence for this
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The article describes mathematical model of investment, not evidence. Many of those diseases, e.g. HIV, are very difficult vaccine targets.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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