Question

4- Choose the correct option:

A- Jesse Lazear was ________

		the scientist who developed an effective antiviral drug against yellow fever virus
		a scientist in South Africa who developed a vaccine for yellow fever
		a member of the US Army Medical Corps in Panama whose death from yellow fever provided an important clue about the incubation period required for transmission by mosquitos
		a member of the US Army Medical Corps in Panama who determined how yellow fever was transmitted
		a physician in Havana who discovered the cause of yellow fever

B- Max Theiler was ________

		the scientist who developed an effective antiviral drug against yellow fever virus
		a scientist in South Africa who developed a vaccine for yellow fever
		a member of the US Army Medical Corps in Panama whose death from yellow fever provided an important clue about the incubation period required for transmission by mosquitos
		a member of the US Army Medical Corps in Panama who determined how yellow fever was transmitted
		a physician in Havana who discovered the cause of yellow fever

C- Walter Reed was ________

		the scientist who developed an effective antiviral drug against yellow fever virus
		a scientist in South Africa who developed a vaccine for yellow fever
		a member of the US Army Medical Corps in Panama whose death from yellow fever provided an important clue about the incubation period required for transmission by mosquitos
		a member of the US Army Medical Corps in Panama who determined how yellow fever was transmitted
		a physician in Havana who discovered the cause of yellow fever

D- which of the following approaches did the team use to try to determine how yellow fever was spread?

		They tried to show that mosquitos could spread the disease from victims to human volunteers.
		They tried to show that the disease was transmitted in the blood of victims.
		They tried to show the disease was not spread by personal possessions or clothing of victims.
		They tried all 3 of the approaches listed in a, b and c.
		None of the 3 approaches listed in a, b and c were tested

Answer 1

Jesse Lazear was a member of the US Army Medical Corps in Panama who determined how yellow fever was transmitted.

Max Theiler was a scientist in South Africa who developed a vaccine for yellow fever.

Walter Reed was physician in Havana who discovered the cause of yellow fever.

They tried all 3 of the approaches listed in a, b and c to determine how yellow fever was spread.