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Yellow fever: Quiz


Question 1: Viruses reach the stomach of the mosquito, and if the virus concentration is high enough, the virions can infect ________ and replicate there.
Stratified squamous epitheliumHistologyEpitheliumMicrovillus

Question 2: Yellow fever is caused by the yellow fever virus, a 40 to 50 nm wide enveloped ________ belonging to the family Flaviviridae.
Virus classificationAdenoviridaeVirus diseaseRNA virus

Question 3: in 1821 in ________ with several thousand victims.
Àmbit metropolità de BarcelonaSagrada FamíliaLa Rambla, BarcelonaBarcelona

Question 4: In 1878, about 20,000 people died in an epidemic in the Mississippi River Valley and the last major outbreak in the US occurred in 1905 in ________.
New Orleans metropolitan areaLouisianaBaton Rouge, LouisianaNew Orleans

Question 5: Carlos Finlay, a Cuban doctor and scientist, first proposed in 1881 that yellow fever may be transmitted by ________ rather than direct human contact.

Question 6: [1] The virus is a 40 to 50 nm enveloped ________ with positive sense of the Flaviviridae family.
Virus classificationRNA virusAdenoviridaeVirus disease

Question 7:
Yellow fever, Dengue fever and Malaria are all:
Tropical diseases Hepatology Flaviviruses Insect-borne diseases

Question 8: Liver biopsy can verify inflammation and necrosis of hepatocytes and detect viral ________.
AntigenPhagocyteImmune systemPolyclonal B cell response

Question 9: Since these tests can cross-react with other Flaviviruses, like ________, these indirect methods can never prove yellow fever infection.
RabiesEbolaJapanese encephalitisDengue fever

Question 10: The yellow fever virus is transmitted by the bite of female mosquitos (the yellow fever mosquito, Aedes aegypti, and other species) and is found in tropical and subtropical areas in South America and ________, and Asia.
Scramble for AfricaAfricaAfrican UnionSub-Saharan Africa

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