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Vaccination effectively reduces invasive disease and pneumonia caused by Streptococcus pneumoniae. However, waning antibody titers and the ability of revaccination to boost titers in older adults have been concerns. A study to describe antibody persistence after vaccination with 13-valent pneumococcal conjugate vaccine (PCV13) and response to revaccination 5 years after the initial dose was conducted...
Background
A large population of older children with sickle cell disease (SCD) is currently vaccinated with only 23‐valent pneumococcal polysaccharide vaccine (PPSV23). In immunocompetent adults, PPSV23 vaccination reduces immune responses to subsequent vaccination with a pneumococcal vaccine. The 13‐valent pneumococcal conjugate vaccine (PCV13), which addresses this limitation, may offer an advantage...
The anamnestic response to a challenge dose of vaccine can assess immune memory and protection against hepatitis B infection. This study investigated responses to a challenge dose of monovalent hepatitis B vaccine in children immunised with three doses of either Hexavac or Infanrix-Hexa during infancy.This open-label, randomised, controlled, four-arm study enrolled 410 healthy children aged 4–7 years...
Vaccination against measles, mumps, rubella and varicella (MMRV) is currently recommended in developed countries for infants from 12 months of age. However, measles vaccination at 9 months of age is recommended by the WHO in the Expanded Program on Immunization (EPI) schedule and it is therefore possible that MMR or MMRV vaccines might also be given at this age.This open-label, randomised, comparative...
This open-label, randomised, controlled study examined antibody persistence following infant vaccination at 2, 3 and 4 months of age with either an acellular pertussis, diphtheria, tetanus, inactivated poliovirus, Haemophilus influenzae type b (DT 5 aP-IPV-Hib; Pediacel ® ) or a whole-cell pertussis (DTwP//Hib+oral poliomyelitis vaccine [OPV]) combination vaccine, given concomitantly...
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