Abstract
The coronavirus disease 2019 (COVID-19) is a global pandemic infectious disease with higher potential for outbreaks than the other epidemic disease such as severe acute respiratory syndrome (SARS), influenza A (H1N1), and the Middle East respiratory syndrome (MERS), which identified in China on December 31, 2019. The common clinical feature of COVID-19 are including fever, cough, normal or decreased white blood cells (WBCs), and multiple patchy glassy shadows on CT images of the peripheral and posterior lungs. The median of the age of peoples infected with COVID-19 is above 40 years and children are less susceptible to COVID-19 infections. Studies on the epidemiological parameters of COVID-19 reveal its high potential for outbreaks, as now we see around the world.Regarding themechanism action of 2019-nCoV, some researchers suggested that the ACE2 is the receptor of this novel virus. Concerning the clinical diagnosis, CT scans can be used as a highly accurate method for the clinical diagnosis of the COIVD-19 along with the rRT-PCR. In comparison with SARS, MERS, and H1N1, although the novel COVID-19 shows the same clinical features with these diseases, it reveals the higher potential for outbreaks and consequently for causing global pandemics than MERS, H1N1, and SARS.
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