نتایج جستجو برای: influenza c virus
تعداد نتایج: 1427499 فیلتر نتایج به سال:
Introduction: Epidemics and deaths caused by influenza viruses are an important concern worldwide. The use of neuraminidase inhibitors such as oseltamivir is an effective and valuable way to treat the diseases caused by these viruses. However, the mutation in several parts of the gene leads to the emergence of drug-resistant strains, and an ever-increasing rise in drug-resistant strains is a gl...
Background and Objective: Adamantanes, amantadine, and rimantadine have been used for many years for prevention and treatment of influenza virus A infections. These drugs are influenza virus M2 protein inhibitors and some amino acids substitutions in transmembrane portion of this protein cause resistance to them. This study was done for survey of adamantane resistance related nucleotide sequenc...
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 as...
equine influenza is an acute, infectious and highly contagious respiratory disease with worldwide distribution and high morbidity and low mortality. the disease caused by h7n7 and h3n8 subtypes of genus (type) a of influenza virus. the most significant clinical signs of this disease are fever, coughing and nasal discharge. in this study, the presence of antibody against two subtypes of equine i...
Introduction: The emergence and spread of the pandemic H1N1 influenza virus in 2009 indicates a limitation in the strategy to control the infection, despite a long-established vaccination programme and approved antivirals. Production the proper vaccine against influenza is difficult due to the genetic recombination of virus in the event of pandemic and co-circulation of drug-resistance variants...
Etiology • Influenza virus C (IVC) and influenza virus D (IVD) are enveloped RNA viruses in the family Orthomyxoviridae. They are more closely related to each other than to influenza virus A (IVA) or influenza virus B (IVB), containing seven genomic segments and a hemagglutinin-esterase (HE) fusion protein responsible for recognition, binding, and destruction of host receptors. • IVC appears to...
background influenza type a (h1n1) causes an epidemic disease, resulting in thousands of deaths throughout the world. objectives our aim was comparing the efficacy of two different methods in isolating the influenza (h1n1) virus including cell culture and real-time pcr in tabriz and suburbs. patients and methods of throat swab samples, 220 were collected in viral transport medium (vtm) from pat...
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...
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