نتایج جستجو برای: attenuated vaccine
تعداد نتایج: 166073 فیلتر نتایج به سال:
OBJECTIVES To assess immunogenicity of a single dose of live attenuated hepatitis A vaccine in Indian children, ten years after immunization. METHODS Of 143 children vaccinated in 2004, 121 children were evaluated in 2014, clinically and for anti-HAV antibodies. RESULTS 13 children were early vaccine failures who received two doses of HAV vaccine subsequently. 106 (98%) of 108 remaining chi...
The safety of vaccines is a critical factor in maintaining public trust in national vaccination programs. Vaccines are recommended for children, adults and elderly subjects and have to meet higher safety standards, since they are administered to healthy subjects, mainly healthy children. Although vaccines are strictly monitored before authorization, the possibility of adverse events and/or rare...
Look at LAIV Joanna Merckx, MD; Monique Landry, MD; Louise Valiquette, MD; Deirdre Mccormack, BSc(N); Caroline Quach, MD MSc; Division of Infectious Diseases; Department of Pediatrics, The Montreal Children’s Hospital, Montreal, QC, Canada; Ministère De La Santé Et Des Services Sociaux Du Québec, Montreal, QC, Canada; Vaccine Study Centre, Research Institute of the McGill University Health Cent...
Background & Aim: Rubella vaccine contains live attenuated virus that can be transmitted to fetus causing severe abnormalities in the fetus during pregnancy. However there isn't enough studies to show any congenital rubella syndrome(CRS) in these cases, yet. During mass campaign for Measles-Rubella vaccination in December 2003 in Iran, many pregnant women were vaccinated accidently. In this...
Live-attenuated retroviruses have been shown to be effective retroviral vaccines, but currently little is known regarding the mechanisms of protection. In the present studies, we used Friend virus as a model to analyze characteristics of a live-attenuated vaccine in protection against virus-induced disease. Highly susceptible mice were immunized with nonpathogenic Friend murine leukemia helper ...
The uniqueness of the dengue viruses (DENVs) and the spectrum of disease resulting from infection have made dengue vaccine development difficult. Several vaccine candidates are currently being evaluated in clinical studies. The candidate currently at the most advanced clinical development stage, a live-attenuated tetravalent vaccine based on the chimeric yellow fever-dengue virus (CYD-TDV), has...
Background. Live attenuated influenza vaccines (LAIVs) stimulate a multifaceted immune response including cellular immunity, which may provide protection against newly emerging strains. This study shows proof of concept that LAIVs boost preexisting, cross-reactive T cells in children to genetically diverse influenza A virus (IAV) strains to which the children had not been exposed. Methods. We...
Priming immunization plays a key role in protecting individuals or populations to influenza viruses that are novel to humans. To identify the most promising vaccine priming strategy, we have evaluated different prime-boost regimens using inactivated, DNA and live attenuated vaccines in ferrets. Live attenuated influenza A/Vietnam/1203/2004 (H5N1) candidate vaccine (LAIV, VN04 ca) primed ferrets...
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...
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