14 ene 1894 año - Polio
Descripción:
It has a low fatality rate and about 70% of people will have polio but do not pose any symptoms. The vaccines were created by Sabin and Salk, Sabin made the OPV - or oral polio vaccine and Salk made the IPV vaccine.
Symptoms: Paralysis and Death :(
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fecha:
14 ene 1894 año
Ahora mismo
~ 130 years ago