Skip to content

Google Doodle – Carlos Juan Finlay

Born on December 3rd 180 years ago, Carlos Juan Finlay is the man who came up with the theory that yellow fever was spread by mosquitoes. Glad to see that a Google Doodle can help with letting people know about this important Cuban scientist.

Finlay’s research on cholera and yellow fever didn’t initially get much support. He suggested that yellow fever was carried by mosquitos and he suggested that cholera was waterborne. His work was proven later by the Walter Reed Commission and in 1902 Finlay became the chief health officer in Cuba. This confirmation paved the way for the eradication of yellow fever, creating the chance to save thousands of lives.



carlos juan finlay