Real-Time Polymerase Chain Reaction–Based Detection of Bordetella pertussis in Mexican Infants and Their Contacts: A 3-Year Multicenter Study

To evaluate the usefulness of real-time polymerase chain reaction (RT-PCR) as a diagnostic method for the detection of Bordetella pertussis in hospitalized patients aged <1 year with a clinical diagnosis of whooping cough, as well as to identify the role of household contacts as a source of infection.

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