Pandemic cavity 19

Article

October 18, 2021

The Pandemic of COVID-19 is a 2019 coronavirus disease (COVID-19) pandemic that broke out in Wuhan, China and is characterized by respiratory infections and pneumonia. The epidemic was declared in early December in the city of Wuhan in central China. The disease is caused by a virus of the coronavirus family called SARS-CoV-2, which is the second spread of an infectious disease from this group of viruses after the SARS epidemic in 2002 and 2004. Human-to-human transmission of the SARS-CoV-2 virus was confirmed by the World Health Organization (WHO) on January 23, 2020, and declared a pandemic on March 11. The pandemic affected 185 of the 193 (95.8%) member states of the United Nations (UN) and both observer states of the UN General Assembly. The infection is transmitted by droplets among humans. The incubation period is usually about five days, and ranges from one to 14 days. The most common signs and symptoms are fever, dry cough, malaise, sputum production and shortness of breath. The most serious complications can be pneumonia and acute respiratory distress syndrome. Hand washing and social distancing are recommended as prevention measures. The goal of preventive measures at the population level, as part of the "straightening the curve" approach, should be to reduce the number of patients at the same time so as not to exceed the capacity of the health system. curfew and border closures. At the end of March 2020, almost a quarter of the world's population was in quarantine. Schools and universities have closed in more than 160 countries, affecting over a billion and a half pupils and students (91%) worldwide. The pandemic has led to global socio-economic disturbances in the world. Numerous international gatherings, cultural and religious events have been postponed or canceled, and the global sports calendar has undergone the biggest changes since World War II. The WHO also warned of "infodemia" due to the frequent spread of false news and conspiracy theories related to this disease. The origin of the epidemic The first case probably arose from the transmission of the virus from an animal to a human, which was probably a bat from the market in Wuhan. In an interim document published on January 23 on the first results

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