title: Long-term preservation of bordetella pertussis.
abstract: Viability of Bordetella pertussis was preserved when glycerol broth suspensions were quick frozen and stored at -70 C for as long as 45 months.
mesh_terms: D000818:Animals; D001769:Blood; D001886:Bordetella pertussis / Q000254:growth & development; D003470:Culture Media; D005615:Freezing; D005990:Glycerol; D008722:Methods; D011309:Preservation, Biological; D012756:Sheep
chemical_list: D003470:Culture Media; D005990:Glycerol