outbreak of pertussis in a neonatal intensive care unit--louisiana, 2004. | on november 12, 2004, a 5-month-old infant, admitted in the neonatal intensive care unit (nicu) of a louisiana regional hospital since birth, was diagnosed with pertussis. measures to prevent further transmission, in the nicu and beyond, were immediately put into place. | 2006 | 17097448 |