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We aimed to assess the efficacy of a pneumococcal conjugate vaccine against acute otitis media (AOM) positive by pneumolysin-PCR (Ply-PCR). 1662 infants vaccinated with PncCRM or control vaccine using random allocation were followed for AOM up to 24 months of age. When AOM was diagnosed a middle ear fluid sample was obtained for etiological assays. During the per protocol follow-up period the PncCRM...
Epidemic meningococcal meningitis is a priority disease for prevention and control in Africa. The current World Health Organization (WHO) approach to the control of meningitis epidemics is based on early detection of cases and emergency vaccination of the population at risk with meningococcal polysaccharide (PS) vaccines. But this is a tall order for the developing nations of Africa where experts...
Pneumococcal pneumonia is a major cause of morbidity and mortality worldwide. Efficacy of pneumococcal conjugate vaccines (PCV) in reducing childhood pneumonia has been estimated in four double-blind, randomized, controlled trials. An investigational 11-valent pneumococcal conjugate vaccine (11PCV) had an efficacy of 22.9% against radiologically defined pneumonia during first 2 years of life in Filipino...
Although the currently available 7-valent pneumococcal conjugate vaccine (PCV7-CRM 197 ) has been primarily designed for the prevention of invasive pneumococcal disease, it has also demonstrated the potential to prevent acute otitis media (AOM) and its associated complications. A candidate 11-valent pneumococcal conjugate vaccine (PCV11-HiD), which utilizes Haemophilus influenzae (Hi)-derived...
In 2001, a mass immunization campaign was implemented in the province of Quebec, Canada, using a new serogroup C meningococcal conjugate vaccine (C-MCV).To describe methodological difficulties in the investigation of the mortality risk associated with administration of C-MCV using large administrative databases, and to present possible solutions.The study population included approximately 1.9 million...
Alberta, Canada introduced the Streptococcus pneumoniae seven valent conjugate vaccine (PCV7) program for children less than 2 years of age in September 2002. We determined the rates of invasive pneumococcal disease in Alberta, Canada 2 years pre- and 4 years post-PCV7 introduction (2000–2006) as well as the rates of antibiotic resistance and serotype distribution in this same time period. Overall,...
Meningococcal disease is a serious medical condition that can prove fatal within hours in otherwise healthy individuals. Disease incidence is highest in infants, yet there is no broadly protective quadrivalent vaccine that covers this age group. A new investigational quadrivalent meningococcal glycoconjugate vaccine against meningococcal serogroups A, C, W-135, and Y (MenACWY-CRM, Novartis Vaccines,...
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