Skip to main content

Table 1 Carrier rates and prevalence of β-lactamase production in H. influenzae isolates among children younger than five years old with ARI

From: Nasopharyngeal carriage and antimicrobial susceptibility of Haemophilus influenzae among children younger than 5 years of age in Beijing, China

Years

No. of cases

No. of isolates (%)

β-lactamase production (%) 1

2000

292

103 (35.5)

4/100 (4.0)

2002

490

101 (20.6)

13/100 (13.0)

Total 2000 and 2002

782

204 (26.1)

17/200 (8.5)

2010

487

70 (14.4)

19/70 (27.1)

2012

395

74 (18.7)

23/74 (31.0)

Total 2010 and 2012

882

144 (16.3)

42/144 (29.2)

  1. 1The numbers tested for β-lactamase were not same as the number of isolates in 2000 and 2002 because four strains died before being tested.