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Influenza viruses cause substantial morbidity, especially in older age groups. Thus, they are amongst high priority groups for routine vaccination. However, vaccine-induced immune responses and effectiveness were reported as relatively low. This study aims to systemically compare the immune responses elicited by intramuscular (IM) and intradermal (ID) injections with inactivated seasonal influenza...
During the development of enterovirus 71 (EV71) inactivated vaccine for preventing human hand, foot and mouth diseases (HFMD) by EV71 infection, an effective animal model is presumed to be significant and necessary. Our previous study demonstrated that the vesicles in oral regions and limbs potentially associated with viremia, which are the typical manifestations of HFMD, and remarkable pathologic...
An effective vaccine of animals can block transmission of Toxoplasma gondii to humans. In this study, mice have been protected against lethal T. gondii challenge by a prime-boost vaccination strategy using DNA vaccine pVAX/TgSAG1 and recombinant pseudorabies virus rPRV/TgSAG1, both expressing the major immunodominant surface antigen of T. gondii (TgSAG1). High levels of splenocyte proliferative responses...
While an attenuated vaccine against mumps has played a role in controlling the epidemic of this disease worldwide, some problems with efficacy and safety of the vaccine are still present. In the work described here, a novel mumps vaccine with good immunity and safety was developed by selecting an antigen component of the mumps virus. The results suggest that this purified antigen vaccine is immunogenic...
Two recombinant plasmids pVAX/Sj26GST and pVAX/mIL-18 containing Schistosoma japonicum 26kDa GST and murine IL-18 were evaluated for their ability to protect mice against S. japonicum challenge. Mice were given 2 intramuscular immunizations 3 weeks apart, and challenged with S. japonicum cercariae 4 weeks later. Adult worm and egg burdens were determined 48 days post-challenge. All animals vaccinated...
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