![Timothy Caulfield on Twitter: "Vile vaccine #misinformation has a long history. Anti-polio vaccine poster from 1950s. Remarkable how similar language is to today's bunk ("One million little children be offered as sacrifices..."). Timothy Caulfield on Twitter: "Vile vaccine #misinformation has a long history. Anti-polio vaccine poster from 1950s. Remarkable how similar language is to today's bunk ("One million little children be offered as sacrifices...").](https://pbs.twimg.com/media/Emu1wn3VEAAHIJn.jpg)
Timothy Caulfield on Twitter: "Vile vaccine #misinformation has a long history. Anti-polio vaccine poster from 1950s. Remarkable how similar language is to today's bunk ("One million little children be offered as sacrifices...").
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Randomized controlled study of fractional doses of inactivated poliovirus vaccine administered intradermally with a needle in the Philippines - International Journal of Infectious Diseases
Safety and Immunogenicity of a New Inactivated Polio Vaccine Made From Sabin Strains: A Randomized, Double- Blind, Active-Contr
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