14 Questions
What is a characteristic of Flaviviruses?
Single segment of RNA
Which of the following is a common symptom of Dengue fever?
Hemorrhagic fever
Which vector is responsible for transmitting Yellow fever?
Aedes aegypti mosquito
What is a common complication of Hepatitis C?
Renal failure
What is a characteristic of West Nile virus?
Birds are the reservoir
What is the treatment for Dengue fever?
Supportive care
What type of vaccine is available for Yellow fever?
Live attenuated vaccine
What is responsible for transmitting Dengue fever?
Aedes aegypti mosquito
What is a characteristic of Hepatitis C?
It is a non-segmented RNA virus
What is a common symptom of Yellow fever?
Jaundice
What is a possible complication of West Nile virus?
Meningitis and flaccid paralysis
What is the nature of the RNA in Flaviviruses?
Non-segmented
What is the reservoir for West Nile virus?
Birds
What type of vaccine is available for Yellow fever?
Live attenuated vaccine
Study Notes
Flaviviruses
- Flavivirus is a positive sense RNA virus.
- Examples of flaviviruses include Hepatitis C, Dengue fever, Yellow fever, and West Nile virus.
Dengue Fever
- Caused by Dengue virus, a flavivirus transmitted by the Aedes egypti mosquito.
- Symptoms include hemorrhagic fever, bleeding, and bone marrow infection.
- Complications include renal failure, septic shock, and even death.
- Treatment is supportive, focusing on hydration.
Yellow Fever
- Caused by Yellow fever virus, a flavivirus transmitted by the Aedes egypti mosquito.
- Symptoms include jaundice, back ache, bloody stool and diarrhea, and vomiting.
- Vaccine available: live attenuated.
West Nile Virus
- Reservoir: birds
- Vector: mosquitoes
- Symptoms include encephalitis, meningitis, flaccid paralysis, and coma.
- Can cause death.
Hepatitis C
- A flavivirus that affects the liver.
- Can cause liver disease and failure.
- No specific treatment, but supportive care is essential.
Flaviviruses
- Flavivirus is a positive sense RNA virus.
- Examples of flaviviruses include Hepatitis C, Dengue fever, Yellow fever, and West Nile virus.
Dengue Fever
- Caused by Dengue virus, a flavivirus transmitted by the Aedes egypti mosquito.
- Symptoms include hemorrhagic fever, bleeding, and bone marrow infection.
- Complications include renal failure, septic shock, and even death.
- Treatment is supportive, focusing on hydration.
Yellow Fever
- Caused by Yellow fever virus, a flavivirus transmitted by the Aedes egypti mosquito.
- Symptoms include jaundice, back ache, bloody stool and diarrhea, and vomiting.
- Vaccine available: live attenuated.
West Nile Virus
- Reservoir: birds
- Vector: mosquitoes
- Symptoms include encephalitis, meningitis, flaccid paralysis, and coma.
- Can cause death.
Hepatitis C
- A flavivirus that affects the liver.
- Can cause liver disease and failure.
- No specific treatment, but supportive care is essential.
This quiz covers various aspects of flaviviruses, including their characteristics, types, and diseases they cause, such as dengue fever and hepatitis C.
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