Co-infection with two different strains of Bordetella pertussis in an infant Cassiday, Pamela K. and Tobin-D'Angelo, Melissa and Watson, J. Renee and Wu, Kai-Hui and Park, Mahin M. and Sanden, Gary N.,, 57, 388-391 (2008), doi = https://doi.org/10.1099/jmm.0.47602-0, publicationName = Microbiology Society, issn = 0022-2615, abstract= We report co-infection with two phenotypically and genotypically distinct strains of Bordetella pertussis in an infant male hospitalized with a 2-week history of cough, paroxysms and vomiting. Colonies from the two B. pertussis phenotypes were isolated and evaluated by PFGE profile analysis, gene sequence typing and PCR-RFLP of a portion of the 23S rRNA gene. These results demonstrated simultaneous infection with two different strains of B. pertussis., language=, type=