نتایج جستجو برای: influenza ah3n2
تعداد نتایج: 70693 فیلتر نتایج به سال:
Background and Aims: Influenza vaccine production process is time-consuming with little-to-no cross-protection which requires annual adjustment. The construction of a universal vaccine to deal with the pandemics and epidemics which occasionally threat human population is the aim of many researches worldwide. Today, influenza vaccines are mostly against two major antigenic proteins, hemagglutini...
Introduction: In recent years, influenza viruses have caused moderate to severe infections all around the world while so far there is no influenza vaccine that can protect people with only one dose of injection. In this regard, producing a universal vaccine based on virus-like-particles (VLP) could be an ideal approach. Methods: In this study, the full-length ORF of influenza hemagglutini...
BACKGROUND AND PURPOSE An outbreak of influenza A and influenza B appeared at the beginning and end of 2006 in southern Taiwan. We conducted this study to test whether laboratory findings could differentiate influenza A from influenza B infection. METHODS All children aged 16 years or less, who had nasal and/or throat swabs sent from inpatient or outpatient settings at National Cheng Kung Uni...
Influenza surveillance was carried out in a subset of patients with influenza-like illness (ILI) presenting at an Employee Health Clinic (EHS) at All India Institute of Medical Sciences (AIIMS), New Delhi (urban) and pediatric out patients department of civil hospital at Ballabhgarh (peri-urban), under the Comprehensive Rural Health Services Project (CRHSP) of AIIMS, in Delhi region from Januar...
INTRODUCTION Acute respiratory infections (ARI), including influenza, comprise a leading cause of morbidity and mortality worldwide. Influenza surveillance provides important information to inform policy on influenza control and vaccination. While the epidemiology of influenza has been well characterized in western countries, few data exist on influenza epidemiology in the Eastern Mediterranean...
We describe the burden of influenza B infections in Italy over a 12-year study period. Influenza A and B viruses co-circulated throughout the period, with numbers of influenza B cases approaching or exceeding those of influenza A during three influenza seasons. Influenza B virus infections led to fewer admissions to an intensive care unit (ICU) and a lower mortality rate than influenza A from 2...
SARS-CoV-2 is a new virus that the cause of current COVID-19 pandemic. We currently do not have cure and immunity against this pathogen. Influenza viruses, on other hand, are constantly evolving undergo various levels antigenic drift shift will become less recognizable by our immune system. This makes it difficult to develop widespread effective influenza vaccine also poses risk pandemics leadi...
We assessed vaccine effectiveness (VE) against medically attended, laboratory-confirmed influenza in children 6 months to 15 years of age in 22 hospitals in Japan during the 2013-14 season. Our study was conducted according to a test-negative case-control design based on influenza rapid diagnostic test (IRDT) results. Outpatients who came to our clinics with a fever of 38 °C or over and had und...
Background:Influenza virus is globally pathogenic and it is usually associated with zoonotic respiratory diseases. This virus has caused a number of pandemics with a high mortality rate. The non-structural (NS1) protein of influenza A viruses is a non-essential virulence factor that has multiple accessory functions during viral infection. This protein is highly conservative. It has been shown t...
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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