This is the main cause of yellow fever.
What is a virus?
He was the chief investigator of the team that proved yellow fever was spread by mosquitoes.
Who is Dr. Walter Reed?
In the late 1920s and early 1930s, scientists learned that these types of animals could get yellow fever.
What are monkeys?
A mosquito must bite a yellow fever patient within this many days of the illness in order to get infected.
What is three days?
This is one of the main ways that scientists have tried to stop yellow fever from spreading.
What is mosquito control (killing mosquitoes)?
The disease spread by mosquitoes was first discovered to be carried by this type of mosquito.
What is the Aedes mosquito?
He was a Cuban doctor who first proposed the mosquito theory of yellow fever.
Who is Dr. Carlos Finlay?
The virus that causes yellow fever is smaller than this microorganism, which was believed to be the cause of many diseases.
What are bacteria?
Female mosquitoes can pass the yellow fever virus to their offspring through this.
What are eggs?
This method is used to destroy mosquito eggs and larvae in still water.
What is spraying oil?
By the end of 1901, this city in Cuba was free of yellow fever after a successful mosquito eradication campaign.
What is Havana?
He continued to search for the yellow fever germ until his death in 1907 and believed the disease was caused by a microbe smaller than bacteria.
Who is Dr. James Carroll?
This is how female mosquitoes transmit the yellow fever virus to humans.
What is by injecting infected saliva into a wound while sucking blood?
The yellow fever virus may stay in the mosquito's body for this many days before the mosquito can infect another person.
What is seventeen days?
These countries face a significant challenge in fighting yellow fever due to a lack of funds for vaccines.
What are poor countries?
This is the name of the famous canal that was safely built between 1902 and 1914 thanks to the elimination of yellow fever.
What is the Panama Canal?
He was awarded the Congressional Gold Medal in 1929 for his work on yellow fever, along with the other volunteer scientists.
Who is Dr. Jesse Lazear?
In the early 1900s, researchers believed that yellow fever was spread by these insects.
What are mosquitoes?
In addition to biting infected humans, mosquitoes can also spread the yellow fever virus by this process.
What is by passing the virus through their saliva?
In some areas, this method of killing mosquitoes is controversial because of potential environmental harm.
What are insecticides?
This is the year Dr. Max Theiler developed a vaccine for yellow fever.
What is 1936?
This American Army hospital was named after Dr. Walter Reed in 1909.
What is the Walter Reed Army Hospital?
By 1927, scientists knew that yellow fever was caused by this type of microorganism.
What is a virus?
Researchers discovered that the yellow fever virus enters every cell of a mosquito’s body, including this part.
What is the mosquito's body?
In 2008, this country had a yellow fever outbreak and faced a shortage of vaccines, leading to chaos at clinics.
What is Paraguay?