Congenital VZV Infection
90% of pregnant women already immune, therefore primary infection is rare during pregnancy.
Primary infection during pregnancy carries a greater risk of severe disease, in particular pneumonia.
First 20 weeks of Pregnancy
Up to 3% chance of transmission to the fetus, recognised congenital varicella syndrome;
Scarring of skin
Hypoplasia of limbs
CNS and eye defects
Death in infancy normal