RNA VIRUS - TOGAVIRIDAE - Rubella virus Flashcards
Enveloped, icosahedral, non-segmented, (+) ssRNA
Rubella virus
Incubation period for Rubella/German measles/3-day measles
14-21 days
Period of Communicability for Rubella/German measles/3-day measles
1 week before up to 1 week after the appearance of rash
Rash in Rubella/German Measles
CEPHALOCAUDAL appearance of MACULOPAPULAR RASH
Most characteristic feature in Rubella/German Measles
Postauricular lymphadenopathy
Enanthem in Rubella/German Measles
FORCHHEIMER’S SPOTS
*petechiae on soft palate
Rubivirus infected human embryo cells demonstrate
CHROMOSOMAL BREAKAGE
(-) OF MITOSIS
Body areas affected in congenital rubella
HEART: PDA, pulmonic stenosis
EYES: CATARACTS, chorioretinis, etc
CNS: MENTAL RETARDATION, SENSORINEURAL DEAFNESS, microcephaly
BLUEBERRY MUFFIN
Appearance d.t. DERMAL EXTRAMEDULLARY HEMATOPOIESIS
BLUEBERRY MUFFIN