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Influenza vaccination is now recommended for all ages; CDC pneumococcal polysaccharide vaccination (PPV) recommendations are comorbidity-based in nonelderly patients. We constructed a Markov model to estimate the cost-effectiveness of dual influenza and pneumococcal vaccination in 50-year-olds. Patients were followed for 10 years, with differing time horizons examined in sensitivity analyses. With...
Two groups of 50 BALB/c male mice were immunized with live Chlamydia trachomatis mouse pneumonitis (MoPn) using the intranasal (i.n.) or the meatus urethra (intraurethral: i.u.) routes. As a control group, 100 male mice were sham-immunized in parallel. Both groups of animals vaccinated with live organisms developed strong Chlamydia-specific humoral and cell mediated immune responses. Based on the...
Chlamydia trachomatis causes respiratory and sexually transmitted infections. Here, we tested a vaccine formulated with the recombinant major outer membrane protein from C. trachomatis mouse pneumonitis (CT-MoPn) for its ability to protect mice against an intranasal (i.n.) challenge. The adjuvants CpG and Montanide were used for systemic routes, intramuscular (i.m.) and subcutaneous (s.c.), and cholera...
The 2009 H1N1 influenza pandemic is the first pandemic to hit the world in the 21st century. According to World Health Organization (WHO) reports, as of 18 July 2010, more than 214 countries and overseas territories or communities have reported laboratory confirmed cases of pandemic influenza H1N1 2009, and over 18,336 people have died as a result of the disease [1]. In an effort to facilitate the...
This randomized cluster trial was designed to improve workplace influenza vaccination rates using enhanced advertising, choice of vaccine type (intranasal or injectable) and an incentive. Workers aged 18–49 years were surveyed immediately following vaccination to determine factors associated with vaccination behavior and choice. The questionnaire assessed attitudes, beliefs and social support for...
The antigenic variation of influenza virus represents a major health problem, thus continuous efforts have been made to develop broad-spectrum vaccines against influenza virus. Matrix protein 1 (M1) protein is highly conserved in all influenza A strains. In this study, M1 protein was efficiently expressed in Escherichia coli (E. coli), then purified and used for immunization of BALB/c mice by intranasal...
Preventive immunization with whole inactivated Mycobacterium vaccae (MV) confers protection against HIV-associated tuberculosis (TB) in BCG-immunized adults with CD4 counts ≥200 cells/μl. We evaluated the immunogenicity of MV in the 2013 subjects of the phase III DarDarTrial using an interferon gamma (IFN-γ) enzyme linked immunosorbent assay (ELISA), tritiated thymidine lymphocyte proliferation assay...
In the present work, the capacity of new pro-GSH molecules to increase the intra-macrophage thiol content in vitro and in vivo as well as to shift the immune response to Th1 in ovalbumin (Ova)-sensitized mice were examined. The molecules were the N-butanoyl GSH derivative, GSH-C4, and a pro-drug of N-acetylcysteine (NAC) and beta-mercaptoethylamine (MEA), I-152. In vitro, 2h-incubation with both molecules...
Invasive pneumococcal disease (IPD) burden is significant in the Asia-Pacific region. This review describes the epidemiology and Streptococcus pneumoniae (SP) serotype distribution of IPD in children in the Asia-Pacific region from studies published from 1999 to 2010. IPD incidence varies widely in Asia-Pacific countries depending on the method of surveillance, the population studied, and the time...
Recombinant forms of Neisseria meningitidis factor H binding protein (fHBP) are undergoing clinical trials in candidate vaccines against serogroup B meningococcal disease. Little is known, however, about the host response to fHBP during natural carriage and disease. Here we report a longitudinal study of the antibody response to fHBP in healthy meningococcal carriers and non-carriers, and in patients...
Varicella vaccine is not routinely administered to children in many countries including the UK. Longitudinal data are lacking to inform optimal schedules. We report the prevalence of VZV infection at 5 years of age, cumulative incidence between 3 and 5 years and socio-demographic associations with risk of infection using longitudinal data on 12,509 children from the UK Millennium Cohort Study. VZV...
Baculovirus is an enveloped virus that infects insects in nature and has emerged as a novel vaccine vector. We previously constructed a recombinant baculovirus displaying the hemagglutinin protein (HA) of avian influenza virus (AIV) on the viral envelope (Bac-HA64), and demonstrated the induction of humoral responses in immunized mice. To improve the vector design and explore how the vector forms...
Yersinia pestis, the causative organism of plague, is a zoonotic organism with a worldwide distribution. Although the last plague epidemic occurred in early 1900s, human cases continue to occur due to contact with infected wild animals. In this study, we have developed a reservoir-targeted vaccine against Y. pestis, to interrupt transmission of disease in wild animals as a potential strategy for decreasing...
The 7-valent pneumococcal conjugate vaccine (PCV7) has dramatically decreased pneumococcal disease incidence, and the 13-valent vaccine (PCV13) protects against 6 additional Streptococcus pneumoniae serotypes. A decision-analytic model was constructed to evaluate the impact of infant vaccination with PCV13 versus PCV7 on pneumococcal disease incidence and mortality as well as the incremental benefit...
The incidence of reported cases with pertussis has increased in young adults in Japan and the lack of additional booster immunizations containing pertussis components is suspected to be one of the causal reasons. Instead of DT immunization at 11–12 years of age, safety and immunogenicity were investigated using 0.2ml and 0.5ml of DTaP. 176 subjects in DTaP 0.5ml, 178 in DTaP 0.2ml, and 197 in DT 0...
Several problems associated with the available anti-measles vaccine emphasize the need for a single shot anti-measles vaccine which is efficacious by mucosal route of administration and functional in the presence of anti-measles neutralizing antibodies. To achieve these goals, we constructed two recombinant human adenoviruses (collectively designated Ad-F/H) carrying genes for measles virus (MV) fusion...
Ethnicity may be associated with the incidence of pneumococcal infections and the frequency of protective vaccine responses. Earlier studies have suggested that HIV-infected persons of black ethnicity develop less robust immune responses to pneumococcal vaccination that may relate to their higher incidence of invasive disease. We evaluated the association of ethnicity with capsule-specific antibody...
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