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This study compared immune responses of healthy Aboriginal and non-Aboriginal infants to Haemophilus influenzae type b (Hib) and hepatitis B virus (HBV) components of a DTaP-HBV-IPV/Hib combination vaccine, 1 month after completing dosing at 2, 4 and 6 months of age. Of 112 infants enrolled in each group, 94 Aboriginal and 107 non-Aboriginal infants qualified for the immunogenicity analysis. Anti-PRP...
Quadrivalent human papillomavirus vaccine (HPV4) is recommended as a 3-dose series administered at 0, 1–2, and 6 months. However, this dosing schedule is often not followed leading to longer dosing intervals. We conducted a prospective study to assess antibody titers to HPV4 when dose 2 and/or dose 3 were administered on schedule or delayed. Healthy females (N=331) aged 9–18 years were enrolled at...
Chicken anemia virus (CAV) is an immunosuppressive virus that causes chicken infectious anemia (CIA) which is a highly contagious avian disease. CAV causes major economic losses in the poultry industry worldwide. The current CAV vaccine is a live attenuated strain administered in the drinking water that risks horizontal infection of other chickens. The purpose of this study was to develop a novel...
The Centers for Disease Control and Prevention recommend tetanus–diphteria–acellular pertussis (Tdap) immunization during pregnancy, preferably at 27–36 weeks gestation.First, to assess the relative avidity index (RAI) of umbilical cord immunoglobulin G (IgG) to pertussis toxin (PT) for newborns of women immunized with Tdap during late pregnancy as compared to unimmunized women. Second, to assess...
According to the Health Belief Model (HBM), individual perceptions of susceptibility, severity, benefit, barrier, self-efficacy, and cues to action are associated with health actions. In this study, we investigated the perceptions and social factors that influence the intention to vaccinate children against influenza among parents of young Taiwanese children.A nationwide survey was performed using...
Malaria transmission-blocking vaccines (TBV) aim to interfere with the development of the malaria parasite in the mosquito vector, and thus prevent spread of transmission in a community. To date three TBV candidates have been identified in Plasmodium vivax; namely, the gametocyte/gamete protein Pvs230, and the ookinete surface proteins Pvs25 and Pvs28. The Plasmodium falciparum gametocyte/gamete stage...
Development and application of safe and effective mucosal adjuvants are important to improve immunization efficiency in oral vaccine. Here, we report a novel mucosal adjuvant, IL-6-CKS9, a recombinant cytokine generated by conjugating an M cell-targeting peptide (CKS9) with c-terminus of the murine interleukin 6 (IL-6), which facilitated enhancement of mucosal immune response. Lactococcus lactis IL1403,...
The Onchocerca volvulus activation-associated secreted protein-1 (Ov-ASP-1) has good adjuvanticity for a variety of antigens and vaccines, probably due to its ability activate antigen-processing cells (APCs). However, the functional domain of Ov-ASP-1 as an adjuvant is not clearly defined. Based on the structural prediction of this protein family, we constructed a 16-kDa recombinant protein of Ov-ASP-1...
Rotavirus vaccines were licensed in Israel in 2007, and in 2011 the pentavalent-vaccine (RV5) was introduced into the Israeli National Immunization plan.To determine the effect of rotavirus-vaccines on the incidence of hospital visits due to rotavirus gastroenteritis (RVGE) and all-cause diarrhea in Jewish and Bedouin children <5 year residing in southern Israel.We conducted a population-based,...
Dendritic cells (DCs) play important roles in the regulation of immune system, which link innate and adaptive immune responses. Mature DCs produced interleukin (IL)-12 promote optimal type 1 T helper (Th1) cells and cytotoxic T lymphocytes. The extracts of traditional herbal medicines have been shown to enhance immune responses through promoting the maturation and cytokine production of DCs. Here,...
Quadrivalent live attenuated influenza vaccine (LAIV4) was approved in 2012 for healthy persons aged 2–49 years. Beginning with the 2013–2014 influenza season, LAIV4 replaced trivalent live attenuated influenza vaccine (LAIV3).We analyzed LAIV4 reports to VAERS, a national spontaneous reporting system. LAIV4 reports in 2013–2014 were compared to LAIV3 reports from the previous three influenza seasons...
One option for achieving global polio eradication is to replace the oral poliovirus vaccine (OPV), which has the risk of reversion to wild-type virulence, with the inactivated poliovirus vaccine (IPV) vaccine. Adjuvants and alternate routes of immunization are promising options that may reduce antigen dose in IPV vaccinations, potentially allowing dose sparing and cost savings. Use of adjuvants and...
Accompanying varicella vaccination in children in Germany recommended with one (2004) and two (2009) doses, sentinel surveillance of varicella with a sample (n∼900) of private physicians was established in 2005. Physicians reported monthly aggregated data on all varicella cases and case-based on vaccinated patients, of whom skin lesion samples were laboratory investigated to identify varicella-zoster...
Nontypeable Haemophilus influenzae (NTHi), a typical mucosal pathogen largely responsible for respiratory infections and pediatric otitis media, has been increasingly recognized as a significant cause of invasive disease, especially in immunocompromised individuals. Lipooligosaccharide (LOS) is a conserved molecule with an important role in H. influenzae virulence and immune evasion, and it may be...
The sexual stage Pfs48/45 antigen is a well-established lead candidate for a transmission blocking (TB) vaccine because of its critical role in parasite fertilization. We have recently produced the carboxy-terminal 10C-fragment of Pfs48/45 containing three known epitopes for TB antibodies as a chimera with the N-terminal region of GLURP (R0). The resulting fusion protein elicited high titer TB antibodies...
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