LGF Comment: U.S. Patent Office, 1925 pic.twitter.com/Clcy46O2on — OnThisDay ...

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Debunking Another Fear-Mongering Right Wing Myth About Ebola: The "42 Day Incubation Period"

teleskiguy10/20/2014 3:16:04 pm PDT

U.S. Patent Office, 1925 pic.twitter.com/Clcy46O2on
— OnThisDay & Facts (@NotableHistory) October 20, 2014