Is there a carrier state in pertussis?
D000328:Adult; D001886:Bordetella pertussis / Q000302:isolation & purification; D002353:Carrier State; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D009305:Nasopharynx / Q000382:microbiology; D014917:Whooping Cough / Q000635:transmission*