Coronavirus disease pandemic 2019

Article

October 25, 2021

The coronavirus disease pandemic 2019-2021 is the current coronavirus disease pandemic 2019 (COVID-19), 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 regions of the world: the first scenario was implemented in countries that were warned and aware of the outbreak - as a result 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 peak of the disease outbreak , but they have relaxed restrictions and are now forced to fight a new wave of 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 the 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 moment 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 limited

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