نتایج جستجو برای: influenza
تعداد نتایج: 70693 فیلتر نتایج به سال:
background and aims: each year, the influenza virus causes moderate to severe infections with a high prevalence throughout the world. accordingly, an influenza vaccine that ensures protection with only a single dose would be a much more cost effective approach to influenza prophylaxis. generation of influenza non-replicating virus-like particles (vlp) in baculoviral expression system is an attr...
background and objectives: to determine the potential circulation of avian influenza viruses among different captive bird species, molecular surveillance was conducted at tehran zoo, saiee park and pardisan park of tehran, iran. these places are at risk for spread and transmission of influenza virus because of bird species diversity and close contact of birds with humans. materials & methods: d...
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...
Objective: Influenza A virus infections are still a major health problem and the choices available for the control and treatment of the disease are limited. This research evaluated in vitro and in vivo antiviral effects of Peganum harmala L. seeds (PHS) extract against influenza A virus. Materials and Methods: In this research, in vitro anti-influenza A virus activity of the extract was assesse...
Influenza is an acute respiratory disease that causes annual epidemics and periodic pandemics with high mortality. It characterized by the development of severe complications, main which are pulmonary cardiovascular ones. The only effective method preventing influenza, therefore influenza-associated vaccination, carried out annually on basis World Health Organization influenza vaccines composit...
Background and Aims: Influenza virus is a major pathogen involved in respiratory illnesses during winter seasons. A variety of diagnostic methods have been developed to identify influenza viruses in clinical specimen. Methods: Nasal and pharyngeal samples taken from patients were inoculated into Madin-Darby canine kidney (MOCK) cells and embryonated chicken eggs (ECEs). The culture media was a...
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....
This is a report of the first serological survey of influenza C virus in Iran, performed during a one year period (March 1997-May 1998). This study was accomplished in the National Influenza Center-Division of Virology in Tehran University of Medical Scinces. 1080 samples of serum (689 samples from Tehran and 391 samples from other provinces) were assayed for the presence of antibodies against ...
The purpose of this paper is to provides general information about avian influenza (bird flu) and specific information about one type of bird flu, called avian influenza A (H5N1), that has caused infections in birds in Asia and Europe and in human in Asia. The main materials in this report are based on the World Health Organization (WHO) , world organization for animal health (OIE) , food and a...
Background and purpose: Influenza is a seasonal respiratory illness that affects all age groups and causes excess mortality. Identifying the clinical manifestations and complications could be of great value in preventing the flue pandemic. Recent H1N1 pandemic is associated with some unusual findings such as thrombocytopenia, leukopenia, and lymphopenia which are not reported in other types of ...
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