Search for: [Abstract = "Coronaviruses are well\-known pathogens that cause upper respiratory tract infections in adults and children. The viruses are transmitted by the airborne route, amid close contact with an infected person. COVID\-19, caused by the new SARS\-CoV\-2 coronavirus, is a disease with a varied course. This is determined by the individual characteristics of the patient, such as the reactivity of the immune system and the incidence of comorbidities. In about 20% of infected people, the course is asymptomatic, in the majority it is mild or moderate, with a varied clinical course and a diverse array of symptoms. In the first stage, the disease mainly affects the upper respiratory tract, where it can spread to the lower respiratory tract and beyond the respiratory system. The presence of the virus has been found in the cardiovascular system, heart muscle, blood vessels, intestines, kidneys, pancreas, liver, central nervous system, genitalia and placenta. Severe illness, requiring hospitalization, occurs in about 15% of those infected. Progression to critical condition affects about 5% of patients. Mortality based on infection and death statistics is about 2%. The most common type of severe SARS\-CoV\-2 infection is interstitial pneumonia with respiratory failure. Patients requiring hospitalization in intensive care units experience severe tissue and organ damage due to\: \- excessive"]

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