What is Rubella?
A childhood exanthema (skin rash) similar to measles
Also known as German measles
What differentiates rubella from measles?
Rubella is teratogenic and can cause congenital rubella syndrome.
Describe the morphology of rubella.
Belongs to Togaviridae family
Rubivirus carrying rubella
The virus is enveloped and contains a ssRNA surrounded by a capsid
contains to glycoproteins E1 & E2
Contains only one serotype
Explain postnatal rubella infections.
Occurs during neonatal age, childhood, and young adult life.
Transmission Reolication and Virema Rashes and
Spread Antibodies
person-person Nasopharynx 7 to 9 days appear
by respiratory to Lymph after infection simultaneously
droplets nodes
What is the incubation period of rubella?
14 days
What are the clinical manifestations of postnatal rubella?
50% cases are subclinical
Asymptomatic
Children Teenagers and Adults
Rashes manifest first Fever
Malaise
Upper Respiratory Symptoms
Rash