Carlos Finlay (Cuba → U.S.) 🦟 The man who stopped yellow fever. In 1881, Dr. Finlay proved mosquitoes transmit the disease, saving countless lives and making the Panama Canal possible. #STEMHeroes #MedicalInnovators #HispanicExcellence #ImmigrantsMakeAmericaGreat #ImmigrantStories #ImmigrationFacts
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