Recurrent group B streptococcal disease in infants: Who should receive rifampin?

A preterm breast-fed infant had three episodes of type Ia/c group B streptococcus septicemia. After the second episode rifampin was given to the infant, but further Ia/c exposure to maternal breast milk ensued. We propose rifampin treatment for both the mother and infant in cases of recurrent group B streptococcus disease.