

Rubella Infection - 5
•Reasons for
rubella testing: continued
•eto determine the presence of congenital rubella
risk in pregnant women
•eto determine the presence of acute infection
•presence of rubella virus specific IgM in newborn=s serum
•‡indicates congenital infection to rubella
•presence of rubella virus specific IgM in serum up
to age 6 months
•‡indicates congenital infection to rubella
•four-fold increase in both virus specific IgM and IgG titer
within 5 days of diagnosis
•‡confirms diagnosis of an infection with rubella virus