Demonstrate acute infection with measles virus; differential diagnosis of a pregnant female exposed to or presenting with a rash
Immediately following collection, thoroughly mix sample by gently inverting 5 times
Gold serum separator (SST) tube
Ambient (preferred) - 14 days
Refrigerated - 14 days
Frozen - 14 days
Freeze/thaw cycles - stable x4
Enzyme immunoassay (EIA)
Negative: < 0.91 ISR
Borderline: 0.91-1.09 ISR
Positive: > 1.09 ISR