Detection of Bordetella pertussis from Clinical Samples by Culture and End-Point PCR in Malaysian Patients

Table 3

Age range (month) of positive pertussis cases.

Age (month)	Total number of specimens	Number of pertussis cases
		Culture only	End-point PCR only	Culture and end- point PCR
<1	37	0	13	0
1–3	431	4	189	6
4–6	105	0	20	0
7–9	38	0	7	0
10–12	32	0	10	0
13–15	7	0	4	0
16–18	9	0	3	0
19–21	7	0	1	0
22–24	8	0	4	0
>24	33	0	14	0