The COVID-19 pandemic

Article

January 22, 2022

The COVID-19 pandemic is the current coronavirus pandemic of 2019, caused by SARS-CoV-2. The outbreak began in December 2019 in Wuhan, Hubei, China, and was recognized by the WHO as a pandemic on March 11, 2020. As of February 21, 2021: 111,434,139 cases, in almost all countries and territories. As a result of the disease 2,467,481 died. 62,896,305 people recovered. On July 13, 2020, the head of the World Health Organization, Tedros Adan Gebreyesus, named four main scenarios for the spread of coronavirus in different parts of the world: the first scenario was implemented in countries that were warned and aware of the outbreak. Southeast Asia, the Caribbean, Africa and the Pacific), the second scenario was observed in many European countries (large-scale outbreaks of the disease, but they were controlled by strong leadership), the third scenario unfolded in countries that managed to overcome the first outbreak , but they have relaxed restrictions and are now forced to fight a new wave of the disease (the head of the WHO did not give examples), the fourth scenario - the phase of intensive transmission (America, South Asia and several African countries). when a person coughs or sneezes. A person can become infected by touching an infected surface (door handle, table) and then the face (eyes, nose, mouth). The most contagious is a person with symptoms, but infection from a person without symptoms is also possible. The time interval between the time of infection and the appearance of the first symptoms is usually 5 days, but can be from 2 to 14 days. Common symptoms include fever, cough, and shortness of breath. Complications may include pneumonia and acute respiratory distress syndrome. At the beginning of 2020, there was no vaccine or specific antiviral drugs against the disease. Primary treatment is symptomatic and supportive. Important for prevention are hand washing with soap, covering the mouth when coughing, social distancing, as well as supervision and self-isolation for people suspected of infection. Measures to prevent the spread of the virus include travel restrictions, quarantine, command

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