On January 30, 2020, the China coronavirus was declared as a global health emergency by the WHO. As of January 28, 2020, there have been 106 deaths-all in China ( 5). Furthermore, an additional 6973 cases are suspected in China. Of these, 4537 were from China and 56 were from 14 other countries.

MERS was first reported in 2012 in Saudi Arabia and resulted in 858 deaths among 2494 infected individuals to date ( 4).Īs of January 28, 2020, 4593 confirmed 2019-nCoV cases have been reported globally.

The SARS outbreak started in southern China and was recognized as a global public health threat in March 2003, resulting in 774 deaths out of 8098 individuals who were infected from November 2002 through July 2003 ( 3). Coronaviruses belong to the family Coronaviridae and the order Nidovarales, a family that includes viruses that cause diseases ranging from the common cold to severe acute respiratory syndrome (SARS) and the Middle East respiratory syndrome (MERS) ( 2). This newly discovered virus has been temporarily named the 2019 novel coronavirus (2019-nCoV). Analysis of bronchoalveolar lavage fluid samples and electron microscopy revealed the culprit to be a coronavirus, a virus with a characteristic crown morphology at scanning electron microscopy, which is due to the presence of viral spike peplomers emanating from the viral envelope. By January 3, 2020, 44 patients with this unexplained illness were reported to the WHO, with preliminary epidemiologic investigation demonstrating that most patients worked at or were frequent visitors to the Huanan Seafood Wholesale Market ( 1). Patients often had pulmonary parenchymal opacities at chest radiography. As of January 30, 2020, the WHO has designated this outbreak as a global health emergency. On December 31, 2019, the World Health Organization (WHO) was alerted to several cases of a respiratory illness of unknown origin emerging from Wuhan City, Hubei Province of China, with clinical presentations resembling those of viral pneumonia and manifesting as fever, cough, and dyspnea.

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