Yellow Fever Flashcards
Agent of YF
Flavi virus fibricus (arbovirus family)
Reservoir of YF
Monkeys
Man
Aedes aegypti
Modes of transmission
Sylvatic cycle: mosquitoes that bite monkeys will bite man
Intermediate YF: semi domestic mosquitoes bite both human and monkeys
Urban YF : man to man
IP of YF
3-6 days
YF vaccine- Short note
17 D LA
Grown in chick embryo and freeze dried
Stored <0 deg
0.5 mL sc
Ab develop in 7 days
Contra-
C/I of YF 17D vaccine
Egg allergy
<9 months
Preg
Imm compromised
Aedes aegypti index
The percentage of houses and their premises in a limited well defined area showing actual breeding of A.a larvae
Why is India receptive for YF?
Climate ✅
Monkeys✅
Aedes ✅
Virus 🚫
WHO strategy for prevention of YF
EYE Strategy
Elimination of Yellow fever Epidemic