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Streptococcus pneumoniae is a major cause of meningitis, sepsis and pneumonia worldwide. Vaccination using pneumococcal conjugate vaccines (PCV) has therefore been part of the UK’s childhood immunisation programme since 2006. Here we describe pneumococcal carriage rates in children under five years of age attending the paediatric department of a large UK hospital in response to vaccine implementation...
The seven-valent pneumococcal conjugate vaccine (PCV7) was added to the UK national immunisation programme in September 2006. PCV13 replaced PCV7 in April 2010. As carriage precedes disease cases this study collected carried pneumococci from children each winter from 2006/7 to 2010/11 over PCV introduction. Conventional microbiology and whole genome sequencing were utilised to characterise pneumococcal...
The human and public health costs of meningococcal disease are substantial, with 201 cases reported in England between April and June 2013. It is estimated that serogroup B accounts for 85–90% of all cases of meningococcal disease. A vaccine against serogroup B meningococcal disease was approved by the European Medicines Agency in November 2012. In March 2014 the UK Joint Committee on Vaccination...
The 7-valent pneumococcal conjugate vaccine (Prevenar ® , Wyeth; PCV7) was introduced to the UK paediatric immunisation schedule in 2006. This study investigates trends in serotypes and multi locus sequence types (STs) among cases of invasive pneumococcal disease (IPD) in Scotland prior to, and following, the introduction of PCV7.Scottish Invasive Pneumococcal Disease Enhanced Surveillance...
Streptococcus pneumoniae, Haemophilus influenzae type b and Neisseria meningitidis are leading causes of vaccine-preventable diseases such as meningitis, sepsis and pneumonia. Although there has been much progress in the introduction of vaccines against these pathogens, access to vaccines remains elusive in some countries. This review highlights the current S. pneumoniae, H. influenzae type b, and...
The success of Streptococcus pneumoniae (pneumococcus) in both colonisation and disease is associated with the increased prevalence of genetic clones expressing virulence factors that assist host invasion. We studied the distribution of pneumococcal clones in paediatric carriage as part of an ongoing longitudinal study of pneumococcal carriage in children less than 5 years of age. Across three years,...
Asymptomatic carriage of the opportunistic pathogen Streptococcus pneumoniae is known to precede the development of invasive disease. Young children are one of the major reservoirs for pneumococci and worldwide over 700,000 children under two years old die due to invasive pneumococcal disease each year. Heptavalent conjugate vaccine (PCV-7) was introduced into the UK childhood immunisation schedule...
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