نتایج جستجو برای: influenza vaccine
تعداد نتایج: 166771 فیلتر نتایج به سال:
background and aims: influenza (flu) is a respiratory infection in mammals and birds. it is caused by an rna virus in the family orthomyxoviridae. the virus is divided into three main types. influenza virus type a is found in a wide variety of bird and mammal species and can undergo major shifts in immunological properties. hemagglutinin (ha) is an important influenza virus surface antigen that...
Aim and Background: By Attention to gene sequence and each amino acid codon in host which express protein, also in order to probable vaccine production against influenza A, a major cause of mortality in a year,this research was carried out. M2 protein is conserved and it can be a proper candidate vaccine for influenza infection. Materials and Methods: Present research was an experimental study....
background: influenza virus is a major infectious pathogen of the respiratory system causing a high degree of morbidity and mortality annually. the worldwide vaccines are decided and produced annually by world health organization and licensed companies based on the samples collected from all over the world. the aim of this study was to determine phylogenecity and heterogenecity of the circulati...
Background: The pandemic and regional influenza outbreaks resulting from antigenic variation of influenza viruses have been the subject of numerous studies which are crucial to the preparation of the vaccine. Frequent global winter outbreaks of influenza viruses require a constant surveillance of emerging influenza variants in order to develop efficient influenza vaccine. Methods: This study wa...
Background: Influenza is an acute respiratory illness that can cause hospitalization, and confers a high mortality rate, especially in high-risk groups. Influenza vaccination for hospital staff can play an effective role in controlling nosocomial flu infections. The purpose of this study was to investigate causes of non-vaccina...
Background and Aims: Influenza A virus of Orthomyxoviridae family is able to create pandemic influenza. Vaccination is the most effective way to prevent influenza virus infection. Matrix protein 2 (M2) is a homotetramer ion channel with 97 amino acids length and highly conserved among influenza viruses and is considered for development of a universal influenza vaccine. Materials and Methods: We...
Abstract Background and Objective: The M2 gene expressing the conserved protein in influenza virus can be used to make a single-dose vaccine with permanent immunity. Material and Methods: The mice were allocated to one case group immunized with pcDNA3-M2 and two control groups with pcDNA and PBS, in three dozes with interval of two weeks. Two weeks after the last injection, Cellular imm...
Objectives: Influenza disease considered to be more sever and complicated in old age persons, because immune response diminish in this group. This disease is one of the main causes of mortality in elder people. The prevalence of influenza disease in elderly are living in nursing home is more in compare if they dwell in community. We studied the effect of influenza vaccine on the incidence and n...
an experimental inactivated oil-emulsion h9n2 avian influenza vaccine was formulated with 3 parts ofinactivated avian influenza antigen a/chicken/iran/101/1998(h9n2) emulsified in 7 parts of oil adjuvant.twelve week-old specific pathogen-free (spf) chickens were divided into seven groups of 10 birds. sixgroups were vaccinated with 1, 1/10th, 1/50th, 1/100th, 1/200th and 1/400th field dose of th...
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