Covid-19 pandemic


December 6, 2021

Covid-19 pandemic is an ongoing pandemic of covid-19 disease, caused by the sars-cov-2 virus. The virus causes a type of respiratory infection with symptoms such as runny nose, shortness of breath, headache, cough and fever, which in some cases cause pneumonia and can lead to death. The outbreak started in the Chinese city of Wuhan in Hubei province and has since spread. First, other provinces within China as well as neighboring countries in East Asia were affected. A small number of cases were found outside Asia during the first period of the outbreak and the virus has been found on all continents, including Antarctica, which had its first cases on 21 December 2020, just over a year after the disease was discovered. At the end of February 2020, the number of cases in Iran and Italy increased sharply and the infection spread both within these countries and further away from them, mainly around Europe and to the USA. On 11 March 2020, the World Health Organization (WHO) announced that the spread of the coronavirus was classified as a pandemic. Estimates of mortality are still uncertain; The WHO estimated on 13 March 2020 that it is about 1-2 percent of infected. In November 2021, it was estimated that over 5 million people died from the pandemic, but the figures are very uncertain due to how statistics are kept on deaths in different countries. The pandemic has led to major consequences for the world economy, both in manufacturing and services. In many parts of the world, shortages of medicines and various essential goods have been reported. The effects on the world's distribution chains are expected to continue for up to two years [when?], And many stock exchanges around the world have shown a negative development. On 28 February 2020, the largest single downturn in the global stock markets occurred since the financial crisis of 2008, and the International Monetary Fund stated on 14 April that the economic recession that is expected to follow the pandemic will be the largest since the Great Depression. A study on April 8, 2020 gave the forecast that 500 million people worldwide could end up in poverty again, especially in sub-Saharan Africa. some sectors. The impact on the aviation and travel industry was very large. The pandemic also posed major challenges for the education sector, where schools for a large number of the world's students in April 2020 had closed their premises. In connection with the outbreak, disinformation and conspiracy theories have also spread. Some authorities have talked about an ongoing "infodemia".

Origin and global spread

The virus was discovered in late 2019 and on December 31, 2019, the World Health Organization's (WHO) local office in China received information that a new type of pneumonia had appeared in the city of Wuhan. On January 7, 2020, Chinese authorities were able to identify the virus as a new type of coronavirus. The virus was given by the WHO the temporary English name 2019 novel coronavirus, abbreviated 2019-nCoV. Several doctors in Wuhan tried to inform the public early on but were accused by local police of spreading rumors and were officially forced to retract their claims as false. There are several theories about when the first case of the disease occurred - what is usually called an index case. The first known case can be traced to Wuhan, December 1, 2019. During the month of December, the number of cases in Hubei Province gradually increased. Of the 41 first confirmed infected, 66 percent had been exposed to a food market in the city of Wuhan in the Chinese province of Hubei. The food market was closed after this, and an investigation was launched. At the food market, live animals such as rats and wolves were sold. One theory is that the virus originated from one of these animals, that in other words it has zoonotic origin. The first case that could be confirmed where the virus spread between humans took place on 20 January 20.

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