Rubella

Question 1

organism

Answer 1

togavirus

Question 2

what is the risk at pregnancy?

Answer 2

congenital rubella syndrome

Question 3

what is the incubation period

Answer 3

14-21 days

Question 4

infectious period

Answer 4

7 days before symptoms appear to 4 days after the onset f the rash

Question 5

when is the risk most prevalent?

Answer 5

first 8-10 weeks

Question 6

features of congenital rubella syndrome

Answer 6

sensorineural deafness

congenital cataracts

congenital heart disease (e.g. patent ductus arteriosus)

growth retardation

hepatosplenomegaly

purpuric skin lesions

‘salt and pepper’ chorioretinitis

microphthalmia

cerebral palsy

Question 7

Diagnosis

Answer 7

local health protection unit

IgM antibodies raised in recently exposed

Question 8

how to distinguish between parvovirus and rubella

Answer 8

difficult to

Question 9

Mx

Answer 9

local health protection unit

non-immune others offer mmr vaccine

MMR vaccines should not be administered to women known to be pregnant or attempting to become pregnant