14 янв 1894 г. - Polio
Описание:
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 :(
Добавлено на ленту времени:
Дата:
14 янв 1894 г.
Сейчас
~ 130 г назад
