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The Smallpox Vaccine in Latin America: A New Approach (1801-1804).
Pérez Pérez A, Vallejo JR. Pérez Pérez A, et al. Medicina (Kaunas). 2023 Jun 5;59(6):1093. doi: 10.3390/medicina59061093. Medicina (Kaunas). 2023. PMID: 37374296 Free PMC article. Review.
As the facts described show, before the arrival of Balmis the vaccine substance was introduced in those countries thanks to the initiative of various surgeons: in Puerto Rico by Francisco Oller; in Cartagena and Santa Marta in Colombia by Angel Hidalgo; in Venezuela by Alo …
As the facts described show, before the arrival of Balmis the vaccine substance was introduced in those countries thanks to the initiative o …