Smallpox Vaccine: How It Was Transferred to South America via the Balmis Expedition
Salvador Salvany transported the smallpox vaccine to Portobelo, Panama. He organized vaccinations for thousands and took 10 children from an orphanage to deliver the vaccine. They traveled to Santafé de Bogotá, providing arm-to-arm vaccination to ensure widespread immunization against smallpox. To preserve the vaccine, the expedition utilized cowpox, a related virus that provided immunity against … Read more