Starting in late December 2019, Chinese authorities informed the World Health Organization of an outbreak of an unknown lung disease in the central city of Wuhan. Experts determined the cause of the disease and concluded that this is 2019-nCoV . Today, cases of expansion of corona virus, in addition to China, are observed in 23 countries. The World Health Organization (WHO) has recognized the outbreak of this disease as an international emergency. In order to prevent this disease, the World Health Organization has developed recommendations and proposals with a wide range of experts: