Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was first identified in December 2019 in Wuhan, the capital of China's Hubei province and has rapidly spread all over the world. Until August 2020, >25 million cases of SARS-CoV-2 infection had been confirmed worldwide, causing >800,000 deaths. This disease was named by the World Health Organization (WHO) as COVID-19. Similar to SARS and Middle East Respiratory Syndrome, which are also

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... ed by corona virus infections, COVID-19 mainly causes severe respiratory system damage; however, it also causes damage to multiple organs, including the gastrointestinal tract, the cardiovascular system and the nervous system. According to the WHO, common signs of infection include fever, cough, and respiratory difficulties like shortness of breath. Serious cases can lead to pneumonia, kidney failure, and even death. The main aim of the present review article was to summarize the current knowledge of COVID-19, such as the transmission process, diagnostic methods, clinical feature pathological characteristics, and treatment measures.