[Recognizing the vaccination strategy of pertussis according to the family aggregation feature of transmission].

Objective: To understand the age distribution of pertussis patients admitted in the children hospital and to analyze the source of infection as well as its transmission patterns.

Methods: Patients visiting to the Children Hospital and epidemiologically related cases during Feb. 2012 to Aug.

[Comparative studies on different methods for laboratory diagnosis of pertussis].

Objective: To confirm the clinically suspected pertussis cases(<1 years old) through laboratory methods.

Methods: From December, 2011 to December, 2012, patients with clinically suspected pertussis from Xi'an Children's Hospital were sampled, with their nasopharyngeal swabs collected, blood samples cultured and pertussis toxin IgG detected by PCR.

Results: were analyzed, using SPSS 16.