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Volume 17, Number 10—October 2011

Research

Bacterial Causes of Empyema in Children, Australia, 2007–2009

Roxanne E. Strachan, Anita Cornelius, Gwendolyn L. Gilbert, Tanya Gulliver, Andrew Martin, Tim McDonald, Gillian M. Nixon, Rob Roseby, Sarath Ranganathan, Hiran Selvadurai, Greg Smith, Manuel Soto-Martinez, Sadasivam Suresh, Laurel Teoh, Kiran Thapa, Claire E. Wainwright, Adam JafféComments to Author , and on behalf of the Australian Research Network in Empyema

Author affiliations: Sydney Children’s Hospital, Randwick, New South Wales, Australia (R.E. Strachan, A. Jaffé); Royal Hobart Hospital, Hobart, Tasmania, Australia (A. Cornelius); Centre for Infectious Diseases and Microbiology, Westmead, New South Wales, Australia (G.L. Gilbert, K. Thapa); John Hunter Hospital, Newcastle, New South Wales, Australia (T. Gulliver); Princess Margaret Hospital for Children, Perth, Western Australia, Australia (A. Martin); The Canberra Hospital, Canberra, Australian Capital Territory, Australia (T. McDonald, L. Teoh); Monash Institute of Medical Research, Melbourne, Victoria, Australia (G.M. Nixon); Alice Springs Hospital, Alice Springs, Northern Territory, Australia (R. Roseby); Royal Children’s Hospital, Melbourne (S. Ranganathan, M. Soto-Martinez); Children’s Hospital at Westmead (H. Selvadurai); Women’s and Children’s Hospital, Adelaide, South Australia, Australia (G. Smith); Mater Children’s Hospital, Brisbane, Queensland, Australia (S. Suresh); Royal Children’s Hospital, Brisbane (C.E. Wainwright)

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Table 3

Streptococcus pneumoniae serotypes identified in 52 PCR-positive specimens from children with empyema, Australia, 2007–2009*

Serotype No. (%) specimens
PCV7 serotypes 2
14 1 (1.8)
9V/9A
1 (1.8)
Nonvaccine serotypes 53
19A 20 (36.4)
3 18 (32.7)
1 8 (14.5)
7F/7A 2 (3.6)
22F/22A 2 (3.6)
6C 1(1.8)
15F 1 (1.8)
21 1 (1.8)

*Two serotypes were identified in 3 specimens: 19A/3, 19A/1, and 6C/15F. The multiplex PCR reverse line blot assay cannot distinguish some pairs or groups of closely related serotypes, including 7F/7A, 22F/22A, and serogroup 6. Individual serotypes within serogroup 6 were distinguished by using serotype-specific PCR. PCV-7, 7-valent pneumococcal conjugate vaccine.

*Two serotypes were identified in 3 specimens: 19A/3, 19A/1, and 6C/15F. The multiplex PCR reverse line blot assay cannot distinguish some pairs or groups of closely related serotypes, including 7F/7A, 22F/22A, and serogroup 6. Individual serotypes within serogroup 6 were distinguished by using serotype-specific PCR. PCV-7, 7-valent pneumococcal conjugate vaccine.

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