If the mother develops varicella rash between day 4 (5) ante partum and day 2 post partum, generalized neonatal varicella leading to death in about 20% of the cases has to be expected
If the mother develops varicella rash between day4 (5) ante partum and day 2 post partum, generalized neonatal varicella leading to death in about 20% of the cases has to be expected