References
- Block SL, Hedrick J, Harrison CJ,. et al. Community-wide vaccination with the heptavalent pneumococcal conjugate significantly alters the microbiology of otitis media. Pediatr Infect Dis J 2004;23:829-33
- Brook I, Foote PA, Hausfeld JN. Frequency of recovery of pathogens causing acute maxillary sinusitis in adults before and after introduction of vaccination of children with the 7-valent pneumococcal vaccine. J Med Microbiol 2006; 55:943-6
- Brook I, Gober AE. Frequency of recovery of pathogens from the nasopharynx of children with acute maxillary sinusitis before and after the introduction of vaccination with the 7-valent pneumococcal vaccine. Int J Pediatr Otorhinolaryngol 2007; 71:575-9
- Pichichero ME. Pathogen shifts and changing cure rates for otitis media and tonsillopharyngitis. Clin Pediatr (Phila) 2006;6:493-502
- Improved vaccines availability as of April 2005 released by Public Health Agency of Canada. Available from http://www.phac-aspc.gc.ca/media/nr-rp/2005/2005_14bk2-eng.php [last accessed 7 July 2008]
- Bell SM, Plowman D. Mechanisms of ampicillin resistance in Haemophilus influenzae with four methods and eight media. Antimicrob Agents Chemother 1980;45:1585-8
- Karlowsky JA, Critchley IA, Blosser-Middleton RS,. et al. Antimicrobial surveillance of Haemophilus influenzae in the United States during 2000–2001 leads to detection of clonal dissemination of a β-lactamase-negative and ampicillin resistant strain. J Clin Microbiol 2002;40:1063-4
- Mendelman PM, Chaffin DO, Stull TL,. et al. Characterization of non-β-lactamase-mediated ampicillin resistance in Haemophilus influenzae. Antimicrob Agents Chemother 1984; 26:235-44
- Clairoux N, Picard M, Brochu A,. et al. Molecular basis of the non-β-lactamase-mediated resistance to β-lactam antibiotics in strains of Haemophilus influenzae isolated in Canada. Antimicrob Agents Chemother 1992;36:1504-13
- Dabernat H, Delmas C, Seguy M,. et al. Diversity of β-lactam resistance-conferring amino acid substitutions in penicillin-binding protein 3 of Haemophilus influenzae. Antimicrob Agents Chemother 2002;46:2208-18
- Jacobs MR, Felmingham D, Appelbaum P. Grüneberg N and the Alexander Project Group. The Alexander Project 1998–2000: susceptibility of pathogens isolated from community-acquired respiratory tract infection to commonly used antimicrobial agents. J Antimicrob Chemother 2003;52:229-46
- Hoban D, Felmingham D. The PROTEKT surveillance study: antimicrobial susceptibility of Haemophilus influenzae and Moraxella catarrhalis from community-acquired respiratory tract infections. J Antimicrob Chemother 2002;50 (Suppl S1):49-59
- Doern GV, Brueggeman AB, Pierce G,. et al. Antibiotic resistance among clinical isolates of Haemophilus influenzae: mechanism and clinical importance and consequences for therapy. Eur J Pediatr 1997;150:534-46
- Fluit AC, Florijn A, Verhoef J, et al. Susceptibility of European β-lactamase-positive and negative Haemophilus influenzae isolates from the periods 1997/1998 and 2002/2003. J Antimicrob Chemother 2005;56:133-8
- Jansen WT, Verel A, Beitsma M,. et al. Longitudinal European surveillance study of antibiotic resistance of Haemophilus influenzae. J Antimicrob Chemother 2006;58:873-7
- Ubukata K, Shibasaki Y, Yamamoto K,. et al. Association of amino acid substitutions in penicillin binding protein 3 with ß-lactam resistance in ß-lactamase-negative ampicillin-resistant Haemophilus influenzae. Antimicrob Agents Chemother 2001;45:1693-9
- Lopalco PL, Editorial team. Use of 7-valent pneumococcal conjugate vaccine in EU. Euro Surveill 2006;11:3092. Available from http://www.eurosurveillance.org/ViewArticle.aspx? ArticleId=3092 [last accessed 7 July 2008]