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Adjuvants have been proven to be very effective in enhancement of immune response of many antigens. However, few studies involved head-to-head comparison of their potentials in inactive rabies virus vaccine. In this study, we investigated two types of aluminum adjuvants and five other adjuvants (BLPs, AS02, AS03, MF59 and Poly I:C) on their capacity in enhancing the efficacy of rabies vaccine. The...
To evaluate the long-term effectiveness of the plasma-derived hepatitis B vaccine that has been applied widely in five areas of China where HBV prevalence was highly endemic.A cross-sectional investigation was conducted in 2009 at five HBV surveillance sites around China. The target study subjects of 6772 were born between 1986 and 1996 and received plasma-derived HBV vaccine. Serum samples were collected...
To study the epidemiological patterns of hepatitis A, and immunity of entire population in Shijiazhuang prefecture, Hebei province, a former hyper-endemic area in north China.Cross-sectional, seroprevalence surveys with two-stage cluster sampling were conducted among population older than 2-year between 1992 and 2011. During the 2011 serological survey, blood samples from infants <18 months without...
To determine the prevalence of hepatitis B surface antigen (HBsAg), hepatitis B surface antibody (anti-HBs), and hepatitis B core anti-body (anti-HBc) in a representative population in China 14 years after introduction of hepatitis B vaccination of infants.National serosurvey, with participants selected by multi-stage random sampling. Demographics and hepatitis B vaccination history collected by questionnaire...
An epitope-based vaccine is a promising option for treating Helicobacter pylori (H. pylori) infection. Epitope mapping is the first step in designing an epitope-based vaccine. A pivotal role of CD4 + T cells in protection against H. pylori has been accepted, but few Th epitopes have been identified. In this study, two novel UreB CD4 + T cell epitopes were identified using PBMCs obtained...
Yersinia enterocolitica is an important human pathogen. Yersiniosis, caused by Y. enterocolitica, has become more prevalent globally in recent years. Prevention of yersiniosis still remains a challenge, and an efficacious and safe vaccine that confers protection against this enteric pathogen needs to be developed. In this study, a novel vaccine based on the bacterial ghost, in combination with mutation...
Vaccine-mediated Th1-biased CD4+ T cell responses have been shown to be crucial for protection against Helicobacter pylori (H. pylori). In this study, we investigated whether a vaccine composed of CD4+ T cell epitopes together with Th1 adjuvants could confer protection against H. pylori in a mouse model. We constructed an epitope-based vaccine, designated Epivac, which was composed of predicted immunodominant...
To evaluate the long-term efficacy and duration of yeast-derived recombinant hepatitis B vaccine in hepatitis B virus (HBV)-endemic areas.A cross-sectional investigation was carried out in five HBV-endemic areas. Children who were born between 1997 and 2008 and vaccinated with yeast-derived recombinant hepatitis B vaccine were selected. Serum samples were taken to test HBV infection markers by microparticle...
To evaluate the long-term efficacy of Chinese hamster ovary (CHO) cell derived hepatitis B vaccine in country community in China.A cross-sectional investigation was carried out. Children who were born between 1997 and 1999 and vaccinated with the three doses of CHO-derived hepatitis B vaccine were selected as study objects. Their serum samples were taken to test for hepatitis B virus (HBV) markers,...
To evaluate the effectiveness of a Chinese hamster ovary cell derived hepatitis B vaccine in a country community in Hebei Province, PR China.A cross-sectional investigation was carried out in 4 of 7 randomly selected country communities in Zhengding County in 2005. All of the children who were born between 1997 and 1999 were selected as study objects. Their serum samples were taken to test for HBV...
To determine the prevalence of hepatitis B surface antigen (HBsAg), hepatitis B surface antibody (anti-HBs), and hepatitis B core anti-body (anti-HBc) in a representative population in China 14 years after introduction of hepatitis B vaccination of infants.National serosurvey, with participants selected by multi-stage random sampling. Demographics and hepatitis B vaccination history collected by questionnaire...
Live, attenuated hepatitis A vaccines are used widely in China but there is uncertainty regarding the persistence of vaccine-induced anti-HAV antibodies after single dose and booster dose administrated at month 12. A large scale clinical trial to evaluate the live, attenuated hepatitis A vaccine was conducted in Hebei province between 1996 and 1999. Five years after the trials, children in single...
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