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</html><description>&#x201C;Deseo simplemente que, en un tema que concierne tan directamente al bienestar de la raza humana, no se tome ninguna decisi&#xF3;n sin el conocimiento que puede proporcionar un breve an&#xE1;lisis y c&#xE1;lculo.&#x201D; Daniel Bernoulli, 1760 &nbsp; La viruela fue uno de los azotes de la humanidad, llegando a convertirse en una de las principales causas de mortandad en muchos pa&#xED;ses. La viruela est&#xE1; causada por un virus de ADN, llamado Variola Major. Se tiene conocimiento de que la viruela estaba ya presente en Europa durante la Edad Media, pero fue en el siglo XVII cuando comenz&#xF3; a causar graves problemas&#x2026;</description><thumbnail_url>http://www.madrimasd.org/blogs/matematicas/files/2020/04/1024px-Smallpox_virus_virions_TEM_PHIL_1849-776x1024.jpg</thumbnail_url></oembed>
