Which scientist led the campaign against yellow fever in Rio de Janeiro in the early 1900s and gave his name to a major institute?
Answer and explanation
Correct answer: D. Oswaldo Cruz, founder of Fiocruz
- Step 1: Rio suffered epidemics of yellow fever and smallpox. Step 2. Cruz led sanitation campaigns, and Fiocruz now bears his name. Answer: Oswaldo Cruz. Why not the others: Chagas, Vital Brazil and Lutz worked on other diseases and institutes.
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