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Introduced to minimize open vial wastage, single-dose vaccine vials require more storage space and therefore may affect vaccine supply chains (i.e., the series of steps and processes involved in distributing vaccines from manufacturers to patients). We developed a computational model of Thailand's Trang province vaccine supply chain to analyze the effects of switching from a ten-dose measles vaccine...
Group B streptococcal (GBS) capsular polysaccharide (CPS)-based conjugate vaccine, which includes types Ia, Ib, II, III, and V, could potentially prevent neonatal, pediatric, adult, and pregnancy-associated diseases. However, since GBS CPS types included in that vaccine are prevalent serotypes found in North America and Europe, it may not provide the necessary protection for individuals in countries...
Mycobacterium bovis infection is widespread in Eurasian badger (Meles meles) populations in Great Britain and the Republic of Ireland where they act as a wildlife reservoir of infection for cattle. Removal of infected badgers can significantly reduce the incidence of bovine tuberculosis (TB) in local cattle herds. However, control measures based on culling of native wildlife are contentious and may...
In 2007, the state of New South Wales, Australia instituted a policy directive with compulsory provisions for health care workers to be vaccinated. This study sought to identify staff awareness and attitudes two years after it was implemented. It involved a self administered paper-based questionnaire of HCWs in two tertiary-referral teaching hospitals in Sydney, Australia in 2009. In the early phase,...
The need to simultaneously target infections with epidemiological overlap in the population with a single vaccine provides the basis for developing combination vaccines. Vibrio cholerae ghosts (rVCG) offer an attractive approach for developing vaccines against a number of human and animal pathogens. In this study, we constructed a multisubunit vaccine candidate co-expressing the serovar D-derived...
The risk of immediate adverse events due to the inflammation created by a vaccine is a potential concern for pediatric vaccine programs.We analyzed data on children born between March 2006 and March 2009 in the province of Ontario. Using the self-controlled case series design, we examined the risk of the combined endpoint of emergency room visit and hospital admission in the immediate 3 days post...
We conducted an investigation of two outbreaks of poliomyelitis in Angola during 2007–2008 due to wild poliovirus (WPV) genetically linked to India. A case-control study including 27 case-patients and 76 age- and neighborhood-matched control-subjects was conducted to assess risk factors associated with paralytic poliomyelitis, and epidemiologic links to India were explored through in-depth case-patient...
The aim of the IVANHOE study was to determine the real-world impact of the rotavirus vaccine, controlling for epidemic-to-epidemic variation in disease burden.A population-based prospective cohort study was conducted in Brest City and 7 suburban districts (CUB area), North-western Brittany, France (210,000 inhabitants; 5500 births per year). The vaccination program started in May 2007 for a 2-year...
Active immunization against gonadotrophin-releasing hormone (GnRH) is successfully applied to prevent boar taint in pork. In men, GnRH immunization could be an alternative to hormone therapy in patients with prostate cancer. In this study, a new GnRH vaccine formulation (a modified GnRH peptide conjugate formulated with CoVaccine adjuvant) was investigated for its pharmacological efficacy and safety...
Mortality associated with influenza virus super-infections is frequently due to secondary bacterial complications. To date, super-infections with Streptococcus pyogenes have been studied less extensively than those associated with Streptococcus pneumoniae. This is significant because a vaccine for S. pyogenes is not clinically available, leaving vaccination against influenza virus as our only means...
Despite the benefit of the human papillomavirus (HPV) vaccine in preventing cervical cancer, fewer than half of eligible young women in the United States have initiated the three-vaccine series. Among those who initiate HPV vaccination, large proportions do not complete the three-dose regimen.To evaluate racial and health insurance-related disparities in HPV vaccination.We analyzed outpatient claims...
The available information about maintaining effective immunity after hepatitis B virus (HBV) vaccination in dialysis patients is limited. The aim of this study was to determine whether a difference exists in the persistence of immunity between hemodialysis (HD) and peritoneal dialysis (PD) patients. We compared the decay rate of hepatitis B surface antibody (anti-HBs) titers after HBV vaccination...
Current methods for sustainable control of avian coccidiosis, whether by prophylactic medication or parasite vaccination, are suboptimal. In this study, we describe an alternative immunization strategy against Eimeria tenella infection using parasite antigen (Ag)-loaded dendritic cells (DCs), or their derived exosomes, in the absence of free Ag. CD45 + intestinal DCs were isolated from E....
In 1975–1976 forty-five persons severely bitten by rabid wolves and dogs in Iran were treated successfully against rabies with HDCV. In this study contact was made with 26 of 45 above persons, 32 years after their initial treatment and all had rabies neutralizing antibody ranging from 0.3 to 2.69IU/ml of serum. Of the 26 persons, 17 had received a booster dose of HDCV, 28 years ago and the remaining...
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