نتایج جستجو برای: inactivated influenza vaccine
تعداد نتایج: 180549 فیلتر نتایج به سال:
Human influenza is a seasonal disease associated with significant morbidity and mortality. The most effective means for controlling infection and thereby reducing morbidity and mortality is vaccination with a three inactivated influenza virus strains mixture, or by intranasal administration of a group of three different live attenuated influenza vaccine strains. Comparing to the inactivated vac...
Influenza infection represents a major socio-economic burden worldwide. Novel delivery methods can render influenza vaccination easier and more acceptable by the public, and importantly confer protection equal or superior to that induced by conventional systemic administration. An attractive target for vaccine delivery is the skin. Recent studies have demonstrated improved immune responses afte...
Ontario, Canada, immunizes against influenza using a trivalent inactivated influenza vaccine (IIV3) under a Universal Influenza Immunization Program (UIIP). The UIIP offers IIV3 free-of-charge to all Ontarians over 6 months of age. A newly approved quadrivalent inactivated influenza vaccine (IIV4) offers wider protection against influenza B disease. We explored the expected cost-utility and bud...
INTRODUCTION Recent studies have demonstrated that inactivated seasonal influenza vaccines (IIV) may elicit production of heterosubtypic antibodies, which can neutralize avian H5N1 virus in a small proportion of subjects. We hypothesized that prime boost regimens of live and inactivated trivalent seasonal influenza vaccines (LAIV and IIV) would enhance production of heterosubtypic immunity and ...
BACKGROUND Antibody to influenza virus hemagglutinin has been traditionally associated with protection. Questions have been raised about its use as a surrogate for vaccine efficacy, particularly with regard to an absolute titer indicating seroprotection. METHODS We examined hemagglutination-inhibition (HAI) antibody titers in subjects from a placebo-controlled trial of inactivated and live at...
To prevent H9N2 avian influenza virus infection in chickens, a long-term vaccination program using inactivated vaccines has been implemented in China. However, the protective efficacy of inactivated vaccines against antigenic drift variants is limited, and H9N2 influenza virus continues to circulate in vaccinated chicken flocks in China. Therefore, developing a cross-reactive vaccine to control...
A recombinant trivalent hemagglutinin (HA) vaccine produced in cell culture using the baculovirus expression system provides an attractive alternative to the current egg-based influenza vaccine (Trivalent Inactivated Influenza Vaccine [TIV]) manufacturing process. The HA genes from the annual World Health Organization-recommended strains are cloned, expressed, and purified using a general purif...
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