ZIKA / CHIKUNGUNYA , DENGUE Flashcards
Zika is prevalent in Which part of the world?
South America
Transmission of zika virus?
bite of an infected Aedes mosquito,
although a small number of cases of sexual transmission have been reported.
increasing evidence of transmission via the placenta from mother to fetus
clinical features of zika virus?
majority of people infected with Zika virus have no symptoms
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Zika, Chikungunya and Dengue can produce similar symptoms
zika mild fever
whereas dengue and chikungunya tend to cause abrupt onset of high fever
zika produces more conjunctivitis
zika : rash , myalgia , pruritus
chickungunya and dengue fever causes what
joint pain - chickenguniya is more debilitating than dengue
chickenguineya also produces rash
Dengue causes hemorrhagic fever
thrombocytopenia in returning traveller
dengue
clinical features of dengue fever
RETRO ORBITAL PAIN
FACIAL FLUSHING
MACULOPAPULAR NON BLANCHING RASH
HEMORRHAGIC MANIFESTATION =URPURA
WHAT IS SEVERE DENGUE FORM ?
form of DIC : resulting in thrombocytopenia , spontaneous bleeding
dengue shock syndrome
what type of mosquitoes causes dengue fever to spread
aedes aegypti mosquito
Like dengue fever yellow fever is a type of ?
viral haemorrhagic fever (also dengue fever, Lassa fever, Ebola)
How is yellow fever spread
Through mosquitos
Features of yellow fever
classic description involves sudden onset of high fever, rigors,
nausea & vomiting. Bradycardia may develop.
A brief remission is followed by jaundice, haematemesis, oliguria
If severe jaundice and hematemesis or jaundice what can be seen in liver cells in yellow fever
Councilman bodies (inclusion bodies) may be seen in the hepatocytes
