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Table 4 Genetic analysis for the two cultured B. pertussis isolated

From: Bordetella pertussis in infants hospitalized for acute respiratory symptoms remains a concern

Patient

Age (months)

Sex

Vaccination

Macrolide therapy

ptxA

ptx-P

prn

1

1

F

No

No

ptxA1

ptx-P3

prn-2

2

5

M

No

No

ptxA1

ptx-P3

prn-2

  1. ptxA1: pertussis toxin subunit 1, ptxP: pertussis toxin promoter; prn: pertactin.