The Panama Puzzle
In August, I was called back to Washington. In my absence, Carroll, Lazear, and Agaramonte pushed forward and bred mosquitoes from eggs given to them by Finlay. Without my knowledge, they allowed the mosquitoes to feed on patients with established cases of yellow fever, and then applied the insects to the skin of volunteers, including themselves.
The results they obtained were confusing: some volunteers got yellow fever, but others did not. Neither Carroll, Lazear nor Agaramonte became infected.
We had still not proved that mosquitos could spread the disease.
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© AJC 1995