YELLOW FEVER

Question 1

Vector for yellow fever

Answer 1

Mosquitoes - Aedes aegypti from infected onkeys

Question 2

Can yellow fever spread from person to person

Answer 2

No

Question 3

After the onset of symptoms, there is a brief remission of …………… hours, following which symptoms may recur

Answer 3

2-24

Question 4

Yellow fever vaccination needs to be repeated every………..

Answer 4

10 years

Question 5

Cause of yellow fever

Answer 5

Yellow fever virus

Question 5

Complications of yellow fever

Answer 5

epigastric pain
jaundice
renal insufficiency
cardiovascular instability
bleeding from various sites

Question 6

Symptoms of yellow fever

Answer 6

Fever
Muscle pain, particularly backache
Headache
Shivering
Loss of appetite
Nausea or vomiting
Diarrhoea

Question 7

Signs seen in yellow fever

Answer 7

Congestion of the conjunctivae
Jaundice
Bleeding from various sites (petechiae, ecchymosis, etc.)
Right upper abdominal quadrant tenderness
Signs of renal failure

Question 7

Investigations in yellow fever

Answer 7

Urinalysis - proteinuria and raised urobilinogen levels
Liver function test
Blood urea, electrolytes and creatinine
Blood sample for yellow fever virus serology

Question 8

Non-pharmacological interventions in yellow fever

Answer 8

If yellow fever is suspected in a patient, admit immediately to an isolation ward
Full supportive treatment for hepatic failure and acute renal failure

Question 8

Treatment objectives in yellow fever

Answer 8

To provide supportive care for hepatic, renal and circulatory failure
To manage bleeding disorder

Question 9

Treatment for bleeding patients

Answer 9

Fresh frozen plasma