The story of the Balmis Expedition, funded by the King of Spain, to bring the smallpox vaccine to Spanish America.
María Castro
Isabel
Pedro Casablanc
Balmis
Octavi Pujades
Salvany
Carlos Santos
Jonás
Camilo Redgrave
Felipe García Vélez
José Sospedra
Moisés
Tiago Rodríguez
