Candido
de Garza
Candido de Garza
unknown
unknown
Alvaro de Hoyos Papers
In 1986 Alvaro de Hoyos, riding a mule, crossed the mountainous territory of Iturbide, Nuveo Leon, Mexico with a thermos of polio vaccine attached to his saddle as part of the Mexican National Polio-Vaccination Campaign, conducted under the auspices of UNICEF, in January and March of 1986.