title: Pertactin-negative variants of Bordetella pertussis in the United States.
authors: Anne Marie
authors: AM
authors: Queenan
authors: Pamela K
authors: PK
authors: Cassiday
authors: Alan
authors: A
authors: Evangelista
mesh_terms: D000293:Adolescent; D001425:Bacterial Outer Membrane Proteins / Q000032:analysis / Q000235:genetics*; D015153:Blotting, Western; D001886:Bordetella pertussis / Q000737:chemistry / Q000235:genetics* / Q000472:pathogenicity; D002648:Child; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010567:Pertussis Vaccine; D015143:Philadelphia; D022282:Vaccines, Acellular; D010566:Virulence Factors, Bordetella / Q000032:analysis / Q000235:genetics*
chemical_list: D001425:Bacterial Outer Membrane Proteins; D010567:Pertussis Vaccine; D022282:Vaccines, Acellular; D010566:Virulence Factors, Bordetella; C068929:pertactin
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