نتایج جستجو برای: respiratory viruses
تعداد نتایج: 297267 فیلتر نتایج به سال:
The 2019 novel coronavirus (2019-nCoV) behind the ongoing outbreak - which the World Health Organization has declared an international public health emergency - was named after the family of viruses it belongs to. The term “coronavirus” may have initially been unfamiliar to many, but most everyone has encountered milder forms of such viruses, of which four strains cause about a fifth of common ...
Although several clinical studies have suggested that some of the acute exacerbations of chronic bronchitis may be produced by certain viruses, the precise role of these agents in the pathogenesis of progressive chronic respiratory disease has not yet been defined.`8 The prolonged and complex natural history of chronic respiratory disease in man has made it extremely difficult to assess the rol...
To determine the role of the pandemic influenza A/H1N1 2009 (A/H1N1 2009pdm) in acute respiratory tract infections (ARTIs) and its impact on the epidemic of seasonal influenza viruses and other common respiratory viruses, nasal and throat swabs taken from 7,776 patients with suspected viral ARTIs from 2006 through 2010 in Beijing, China were screened by real-time PCR for influenza virus typing ...
Since the discovery of the rhinoviruses and respiratory syncytial virus only a few surveys have been made on the incidence of infections by the different respiratory viruses in the general population and the frequency with which they cause respiratory disease (Hilleman et al., 1962 ; Conference on Newer Respiratory Disease Viruses, 1963 ; Higgins et al., 1963). The present report describes the ...
Infectious bronchitis (IB) is a highly contagious disease involving mostly upper respiratory tract in chickens, leading to significant economic losses in the poultry industry worldwide. One of the major concerns regarding to IB is the emergence of new types of infectious bronchitis viruses (IBVs). The purpose of this study was to identify the IBVs isolated from Iranian broiler chickens with res...
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