Theories
What is the most common cause of yellow fever?
Mosquitoes
Yellow fever is a viral infection spread by what?
Mosquitoes
What was the first theory of the transmission of yellow fever that Dr. Walter Reed and his team investigated?
They first investigated if "Bacillus Icteroides" caused yellow fever.
True or False:
Most people who develop symptoms improve within one week.
True
What percent of Philadelphia's population died in the 1793 Philadelphia yellow fever epidemic?
Approximately 10% or 5,000 people
Sometimes, your eyes and skin can turn yellow when you get yellow fever. Why is this?
It is because the disease affects your liver.
What time did yellow fever appear in the U.S.?
Late 17th century
Why did people think rotting garbage spread yellow fever?
Because of the vapors it releases.
Is it possible to always have symptoms when you get yellow fever?
No, many people do not have symptoms, while other people do.
In 1878, an epidemic in the Mississippi region of North America is responsible for more than how many deaths?
More than 20,000 deaths
How would people slowly gain immunity to yellow fever?
By being around yellow fever and surviving the disease.
Where did yellow fever most likely originate?
The yellow fever virus most likely originated in Africa.
Name at least three early symptoms that you can experience from yellow fever.
Possible Answers:
Sudden Headache, Fever, Chills, Muscle aches, feeling weak or dizzy, sick to your stomach, throwing up.
The epidemic of yellow fever of New York in 1798 killed about how many people?
3,000 to 3,500 people
What is the best way to prevent yellow fever?
Getting the vaccine (shot), and avoiding mosquito bites.
How many people did yellow fever kill in the nineteenth century alone?
About 100,000
Yellow fever is caused by a virus in what family?
The "Flaviviridae" family.