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This randomized, double-blind study evaluated concomitant administration of 13-valent pneumococcal conjugate vaccine (PCV13) and trivalent inactivated influenza vaccine (TIV) in adults aged ≥65 years who were naïve to 23-valent pneumococcal polysaccharide vaccine. Patients (N=1160) were randomized 1:1 to receive PCV13+TIV followed by placebo, or Placebo+TIV followed by PCV13 at 0 and 1 months, with...
Despite the high efficacy of the human papillomavirus (HPV) vaccine, uptake has been slow and little data on psychosocial barriers to vaccination exist.A community sample of 428 women enrolled in a longitudinal study of social development in the Seattle WA metropolitan area were interviewed about HPV vaccine status, attitudes, and barriers to HPV vaccination in spring 2008 or 2009 at ∼age 22.Nineteen...
The H5N1-clade 1 influenza vaccine strain NIBRG-14 produces exceptionally low amounts of antigen, a problem recently encountered also for initial pandemic H1N1-2009 vaccine seeds. Here, we report on a strategy that may contribute to overcome this obstacle. Influenza vaccine viruses usually consist of two segments coding for the antigenic HA and NA proteins of a wild-type strain and the six residual...
The multiple information sources available may pose a challenge to physicians in providing accurate human papillomavirus (HPV) vaccine information to patients. The purpose of this study was to describe physicians’ HPV vaccine information-seeking behaviors and assess if these behaviors differ by physician specialty and sociodemographic characteristics. In 2009, 1008 Family Physicians (FPs), Pediatricians...
The Brazilian hepatitis B (HBV) vaccination program for neonates was implemented in 1998 and broadened to include young people up to 20 years of age in 2001. However, HBV coverage of teenagers has not been systematically assessed in Brazil.A cross-sectional study was performed to estimate the magnitude of HBV infection and vaccine coverage among adolescent students regularly enrolled in the public...
Traditional phosphodiester lipid vesicles (liposomes) are not stable and could be easily degraded in the gastrointestinal (GI) tract. We prepared a novel lipid based oral delivery system: archaeosomes, made of the polar lipid fraction E (PLFE) extracted from Sulfolobus acidocaldarius, and tested their immunogenic potentials as oral vaccine delivery vehicles. Our study showed that the archaeosomes...
Cervical cancer is one of the most prevalent gynaecological malignancies worldwide. The Hungarian incidence and mortality of this disease take the 4th–5th places within the European Union. A survey including 785 male and female adults was conducted to assess the knowledge and attitudes concerning HPV vaccination. We focused on the difficulties of the primary and secondary prevention of cervical cancer...
The development of a vaccine to prevent norovirus infections has been focused on immunization at a mucosal surface, but has been limited by the low immunogenicity of self-assembling Norwalk virus-like particles (NV VLPs) delivered enterically or at nasal surfaces. Nasal immunization, which offers the advantage of ease of immunization, faces obstacles imposed by the normal process of mucociliary clearance,...
The ectodomain of matrix protein 2 (M2e) is a promising candidate for a broadly protective influenza A vaccine because it is highly conserved and antibodies to M2e are protective in animal models. STF2.4xM2e (VAX102) is a recombinant fusion protein that links four tandem copies of the M2e antigen to Salmonella typhimurium flagellin, a TLR5 ligand used as an adjuvant. The objectives of this first-in-human...
In Australia the 7-valent pneumococcal conjugate vaccine (PCV7) is administered at 2, 4 and 6 months of age, with no booster dose. Information on bacterial carriage and the aetiology of recurrent acute otitis media (rAOM) after introduction of PCV7 using the 3+0 schedule is required to evaluate the potential impact of second generation pneumococcal vaccines. We found that 2–4 years after introduction...
Human papillomavirus (HPV) infection is associated with a range of diseases and cancers at different anatomical sites. In addition to its role as a necessary cause of cervical cancer, HPV is also associated with cancers of the vulva, vagina, anus, penis, head and neck. With the exception of cervical cancer, however, very few data are available on the economic burden of HPV-associated cancers. We assessed...
The extreme antigenic variability of human immunodeficiency virus (HIV) leads to immune escape of the virus, representing a major challenge in the design of effective vaccine. We have developed a novel concept for immunogen construction based on introduction of massive mutations within the epitopes targeting antigenically variable pathogens and diseases. Previously, we showed that these immunogens...
Acceptance of the Human Papillomavirus (HPV) vaccine by targeted populations will depend to a large extent on its acceptability among physicians. We examined the perceptions, attitudes and practices of general practitioners (GPs) in relation to HPV vaccination.From November 2007 to April 2008, a cross-sectional survey was carried out among a representative 5% sample of GPs in the large Rhône-Alpes...
To determine the proficiency of the Austrian childhood vaccination schedule to induce long lasting seroprotection against vaccine preventable diseases a seroepidemiological study in 348 children between four and eight years of age was conducted. Antibodies against diphtheria, tetanus, pertussis, hepatitis B, measles, mumps and rubella antigens were assessed in children, who had been vaccinated with...
Development of effective new mucosal vaccine adjuvants has become a priority with the increase in emerging viral and bacterial pathogens. We previously reported that cationic liposomes complexed with non-coding plasmid DNA (CLDC) were effective parenteral vaccine adjuvants. However, little is known regarding the ability of liposome-nucleic acid complexes to function as mucosal vaccine adjuvants, or...
Slovenia is one of the countries with the highest reported incidence rates of tick-borne encephalitis (TBE). Vaccination uptake is low, estimated to be 12.4%. TBE surveillance data for the last 20 years were analysed. Though nearly all of Slovenia is endemic for TBE with national yearly incidence rates up to 26.7/100,000, we showed that two regions (Gorenjska and Koroška) were much more affected than...
Potency testing is mandatory for vaccine registration and batch release. Due to various limitations to in vivo potency testing, there is need for relevant in vitro alternatives. These alternative tests should preferably comprise cells from the target (human) species. The whole suite of immune responses to vaccination that occur in vivo in humans cannot be tested in vitro using a single cell type....
Bovine Neonatal Pancytopenia (BNP) is a new emerging disease observed since 2007 in Germany and neighbouring countries. The syndrome affects newborn calves and is characterized by pancytopenia, severe bleeding and high lethality. So far, a causative role of infectious or toxic agents has been ruled out. Instead, the syndrome is induced after ingestion of colostrum, the first milk that supplies the...
Newcastle disease virus (NDV) is an avian virus that is attenuated in primates and is a potential vaccine vector for human use. We evaluated NDV as a vector for expressing selected antigens of the Lyme disease pathogen Borrelia burgdorferi. A series of recombinant NDVs were generated that expressed intracellular or extracellular forms of two B. burgdorferi antigens: namely, the basic membrane protein...
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