نتایج جستجو برای: hp h7n1
تعداد نتایج: 12664 فیلتر نتایج به سال:
Background: This study was conducted to evaluate the clinical outcomes of acromioclavicular joint (ACJ) fixation with hook plate (HP) and continuous loop double endobutton fixation (CLDE) in treatment of the acute acromioclavicular joint (ACJ) dislocation. Methods: In this retrospective study, 8 patients with HP and 9 patients with CLDE fixations were compared for acute ACJ dislocations. ...
Background and Aim: Dental plaque and saliva have been considered as major reservoirs for Helicobacter pylori )Hp(. Dentists and their assistants are frequently exposed to saliva and dental plaque hence theoretically they are at risk for Hp infection. The aim of the present investigation was to compare the frequency of this microorganism between the general dentists and dental assistants with...
BACKGROUND Haptoglobin polymorphism is associated with the prevalence of infections, autoimmune diseases, cardiovascular diseases, and other disorders. Congenital haptoglobin deficiency is associated with anaphylactic transfusion reactions in anhaptoglobinaemic patients with antihaptoglobin antibody. AIMS To investigate haptoglobin genotypic distribution (including the Hp(0) allele) and assoc...
An experimental infection with highly pathogenic avian influenza virus (HPAIV) and low pathogenic avian influenza virus (LPAIV) was carried out in red-legged partridges (Alectoris rufa) in order to study clinical signs, gross and microscopic lesions, and viral distribution in tissues and viral shedding. Birds were infected with a HPAIV subtype H7N1 (A/Chicken/Italy/5093/1999) and a LPAIV subtyp...
BACKGROUND In recent years, several avian influenza subtypes (H5, H7 and H9) have transmitted directly from birds to man, posing a pandemic threat. OBJECTIVES We have investigated the immunogenicity and protective efficacy of a cell based candidate pandemic influenza H7 vaccine in pre-clinical animal models. METHODS Mice and ferrets were immunised with two doses of the split virus vaccine (...
In order to understand the mechanism of neuroinvasion of a highly pathogenic avian influenza virus (HPAIV) into the central nervous system (CNS) of chickens, specific pathogen free chickens were inoculated with a H7N1 HPAIV. Blood, cerebrospinal fluid (CSF), nasal cavity and brain tissue samples were obtained from 1 to 4 days post-inoculation (dpi) of infected and control chickens. Viral antige...
Recent outbreaks of highly pathogenic avian influenza (HPAI) viruses in poultry and their threatening zoonotic consequences emphasize the need for effective control measures. Although vaccination of poultry against avian influenza provides a potentially attractive control measure, little is known about the effect of vaccination on epidemiologically relevant parameters, such as transmissibility ...
Genetic analysis of all eight genes of two Nanchang avian influenza viruses, A/Duck/Nanchang/1681/92 (H3N8-1681) and A/Duck/Nanchang/1904/92 (H7N1-1904), isolated from Jiangxi province, China, in 1992, showed that six internal genes of H3N8-1681 virus and five internal (except NS gene) genes of H7N1-1904 virus were closely similar to A/Goose/Guangdong/1/96 (H5N1) virus, the first highly pathoge...
Recent evidences have demonstrated that the presence of low pathogenic avian influenza viruses (LPAIV) may play an important role in host ecology and transmission of avian influenza viruses (AIV). While some authors have clearly demonstrated that LPAIV can mutate to render highly pathogenic avian influenza viruses (HPAIV), others have shown that their presence could provide the host with enough...
BACKGROUND We investigated the genotypic distribution of Hp(del) in healthy subjects and cancer patients in Taiwan. METHODS Blood samples were collected from 244 randomly selected healthy Taiwanese volunteers and 737 patients with various cancers. Samples were analyzed for the haptoglobin (Hp) gene, and the presence of the Hp(del) allele was determined from genomic DNA by an Hp(del)-specific ...
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