Invasive Haemophilus parainfluenzae maternal-infant infections: an Australasian perspective and case report.

Maternal and neonatal infection with Haemophilus parainfluenzae is an unusual but potentially life-threatening occurrence. We present a case of H. parainfluenzae complicating pregnancy in the second trimester. Predisposing factors for infection with Haemophilus species and Australasian data on invasive neonatal Haemophilus infections are presented.