Question

What country did John Frank Stevens become cheif engineer and William Gorgas, was chief sanitation officer, implemented a wide-range of measures after Dr. Walter Reed, and Carlos Finlay, showed that Malaria and yellow fever were mosquito-borne?

Answer 1

John Frank Stevens and William Gorgas worked in Panama during the construction of the Panama Canal. They contributed to controlling mosquito-borne diseases such as malaria and yellow fever after Dr. Walter Reed and Carlos Finlay identified mosquitoes as the vectors. This led to the successful completion of the canal in 1914.

Step-by-step explanation:

John Frank Stevens became the chief engineer, and William Gorgas, as the chief sanitation officer, implemented a wide range of measures in the country of Panama, where the construction of the Panama Canal was underway.

After the pivotal work of Dr. Walter Reed and Carlos Finlay, who showed that malaria and yellow fever were vector-borne diseases transmitted by mosquitoes, the efforts to control these diseases became crucial to the success of the canal project.

Their findings led to vector control measures such as draining swamps, applying chemicals like DDT, and introducing mosquito nets and fumigation systems, all of which contributed to reducing infection rates of these diseases among the workers and was instrumental in the completion of the Panama Canal by the United States in 1914.