Arbo

Question 1

What is Rift Valley Fever (RVF)?

Answer 1

Rift Valley Fever is a viral zoonotic disease caused by the Rift Valley fever virus, primarily affecting livestock and humans.

Question 2

True or False: Rift Valley Fever is primarily transmitted through direct contact with infected animals.

Answer 2

True

Question 3

What are the primary vectors for the West Nile Virus?

Answer 3

The primary vectors for the West Nile Virus are mosquitoes, particularly Culex species.

Question 4

Fill in the blank: The West Nile Virus is considered a _____ disease.

Answer 4

zoonotic

Question 5

How is Yellow Fever transmitted?

Answer 5

Yellow Fever is transmitted primarily through the bite of infected Aedes or Haemagogus mosquitoes.

Question 6

What are common symptoms of Rift Valley Fever in humans?

Answer 6

Common symptoms include fever, headache, muscle pain, and in severe cases, hemorrhagic fever.

Question 7

True or False: There is a vaccine available for Rift Valley Fever.

Answer 7

False

Question 8

What is the primary reservoir for the West Nile Virus?

Answer 8

Birds are the primary reservoir for the West Nile Virus.

Question 9

Multiple Choice: Which of the following is NOT a symptom of Yellow Fever? A) Fever B) Jaundice C) Coughing D) Muscle Pain

Answer 9

C) Coughing

Question 10

What is the incubation period for Yellow Fever?

Answer 10

The incubation period for Yellow Fever is typically 3 to 6 days.

Question 11

Fill in the blank: RVF outbreaks are often associated with _____ events.

Answer 11

heavy rainfall

Question 12

What is the fatality rate of severe cases of Rift Valley Fever?

Answer 12

The fatality rate can be as high as 10% in severe cases.

Question 13

True or False: West Nile Virus can cause neurological disease.

Answer 13

True

Question 14

What type of vaccine is available for Yellow Fever?

Answer 14

A live attenuated vaccine is available for Yellow Fever.

Question 15

Short Answer: Name one method to prevent transmission of West Nile Virus.

Answer 15

Using mosquito repellent and eliminating standing water.

Question 16

True or False: Yellow Fever is endemic in parts of Africa and South America.

Answer 16

True

Question 17

What is a key characteristic of Rift Valley Fever virus?

Answer 17

It is an arthropod-borne virus (arbovirus) belonging to the Bunyaviridae family.

Question 18

Multiple Choice: Which of the following is a symptom of West Nile Virus infection? A) Rash B) Nausea C) Both A and B D) None

Answer 18

C) Both A and B

Question 19

Fill in the blank: The main vector for Yellow Fever is the _____ mosquito.

Answer 19

Aedes

Question 20

What population is most at risk for severe West Nile Virus disease?

Answer 20

Elderly individuals and those with weakened immune systems.

Question 21

True or False: There is no specific antiviral treatment for West Nile Virus.

Answer 21

True

Question 22

What is a common complication associated with severe Yellow Fever?

Answer 22

Liver damage and bleeding disorders.

Question 23

Short Answer: How can livestock infection with RVF affect human health?

Answer 23

Humans can contract RVF through contact with infected livestock or their products.

Question 24

What role do mosquitoes play in the transmission of zoonotic diseases like RVF and Yellow Fever?

Answer 24

Mosquitoes act as vectors that transmit the viruses from animals to humans.

Question 25

Fill in the blank: The West Nile Virus was first identified in _____ in 1937.

Answer 25

Uganda

Question 26

Multiple Choice: Which of the following is NOT a method for controlling mosquito populations? A) Larviciding B) Using insect repellent C) Spraying pesticides D) Encouraging standing water

Answer 26

D) Encouraging standing water

Question 27

What is Rift Valley Fever (RVF)?

Answer 27

Rift Valley Fever is a viral disease that primarily affects livestock but can also infect humans.

Question 28

What are the primary vectors for Rift Valley Fever?

Answer 28

The primary vectors for Rift Valley Fever are mosquitoes, particularly Aedes and Culex species.

Question 29

True or False: Rift Valley Fever can be transmitted from person to person.

Answer 29

False

Question 30

What are the common symptoms of Rift Valley Fever in humans?

Answer 30

Common symptoms include fever, headache, muscle pain, dizziness, and in severe cases, liver damage and hemorrhagic fever.

Question 31

What is West Nile Virus (WNV)?

Answer 31

West Nile Virus is a virus that can cause neurological disease in humans and is transmitted primarily by mosquitoes.

Question 32

Which species of mosquitoes are primarily responsible for the transmission of West Nile Virus?

Answer 32

Culex mosquitoes are primarily responsible for the transmission of West Nile Virus.

Question 33

Fill in the blank: The most severe form of West Nile Virus infection can lead to _______.

Answer 33

encephalitis

Question 34

What are the key symptoms of West Nile Virus infection?

Answer 34

Symptoms can include fever, headache, body aches, and in severe cases, confusion, seizures, and paralysis.

Question 35

True or False: Most people infected with West Nile Virus show symptoms.

Answer 35

False

Question 36

What is Yellow Fever?

Answer 36

Yellow Fever is a viral disease transmitted by mosquitoes, characterized by fever, chills, loss of appetite, and muscle pain.

Question 37

What mosquito species are known vectors for Yellow Fever?

Answer 37

Aedes aegypti and Haemagogus species are known vectors for Yellow Fever.

Question 38

Fill in the blank: The primary prevention method for Yellow Fever is _______.

Answer 38

vaccination

Question 39

What are the stages of Yellow Fever infection?

Answer 39

The stages include the initial phase (fever and chills), the improvement phase, and the toxic phase (severe symptoms).

Question 40

True or False: Yellow Fever can be treated with antiviral medications.

Answer 40

False

Question 41

What is the mortality rate of severe Yellow Fever cases?

Answer 41

The mortality rate of severe Yellow Fever cases can be as high as 50%.

Question 42

What is the significance of the term 'epidemic' in relation to Rift Valley Fever?

Answer 42

An epidemic refers to a sudden increase in cases of Rift Valley Fever in a specific geographic area.

Question 43

What role do animals play in the transmission of Rift Valley Fever?

Answer 43

Animals, especially livestock, serve as reservoirs for the virus and can transmit it to mosquitoes.

Question 44

What laboratory tests are used to diagnose West Nile Virus?

Answer 44

Laboratory tests include serology tests for antibodies and PCR tests for viral RNA.

Question 45

Fill in the blank: The incubation period for Yellow Fever is typically _______ days.

Answer 45

3 to 6

Question 46

What are the potential complications of Rift Valley Fever in humans?

Answer 46

Potential complications include ocular disease, hepatitis, and hemorrhagic fever.

Question 47

How can the spread of West Nile Virus be prevented?

Answer 47

Prevention methods include mosquito control, wearing protective clothing, and using insect repellent.

Question 48

What is the geographic distribution of Yellow Fever?

Answer 48

Yellow Fever is primarily found in tropical and subtropical regions of Africa and South America.

Question 49

True or False: Vaccination against Yellow Fever provides lifelong immunity.

Answer 49

True

Question 50

What is the primary public health strategy for controlling Rift Valley Fever outbreaks?

Answer 50

The primary strategy includes surveillance of livestock and mosquito populations, and vaccination of animals.

Question 51

What are the long-term effects of West Nile Virus infection?

Answer 51

Some survivors may experience long-term neurological effects, including memory loss and fatigue.

Question 52

Fill in the blank: The best way to prevent Yellow Fever is to get vaccinated and avoid _______.

Answer 52

mosquito bites