Rubella is one of childhood infection caused by toga virus,self limiting disease presenting as eruption. Here we provides neet pg notes of rubella
Other names: German Measles, Third Disease
Rubella neet pg notes: Causes
• Rubella is caused by Togavirus,which is a RNA virus
Incubation Period = 14-21 days But it may vary foto 18 days
The patient is infective 5 days before and 5 days after the day the rash starts.
Clinical features
• Postauricular, cervical and suboccipital lymphadenopathy,may
appear as early as 7 days before the appearance of the rash on the body.
• Macular rash spreads from hairline downwards, clearing as it
spreads. The rash disappears by the third day. –
Forschemier’s Spots
• (palatal petechiae), also seen in scarlet fever and infectious
mononucleosis.
Lab test
• The most widely used serological diagnostic test is the
haemagglutination inhibition test.
Treatment
Usually no treatment needed, self limiting
Complications
• Arthritis especially among women, encephalitis, thrombocytopenic
purpura, malformations in utero.
• Infection during the first 4 weeks of pregnancy: Cataract in 70%;
during weeks 4-8: patent ductus arteriosus; during weeks 8-12:
deafness.
Prevention
• Live attenuated RA 27/3 vaccine, produced in human diploid
fibroblast; seroconversion occurs in more than 95%; pregnancy
is considered a contraindication to rubella immunization.
Also read:Measles:simplified notes
