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    COVID-19(THE BEGINNING OF THE NEW END)
    COVID-19(THE BEGINNING OF THE NEW END)
    COVID-19(THE BEGINNING OF THE NEW END)
    Ebook111 pages53 minutes

    COVID-19(THE BEGINNING OF THE NEW END)

    By RAHUL DEWANGAN

    ()

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    About this ebook

    On this COVID-19 pandemic enjoy the first ever ebook on COVID-19, it gives all information about covid-19 its leakage , origin , therapy , statistical data and much more, just enjoy the book ,Thank me later.
    LanguageEnglish
    PublisherLulu.com
    Release dateMay 22, 2020
    ISBN9781716923876
    COVID-19(THE BEGINNING OF THE NEW END)

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      Book preview

      COVID-19(THE BEGINNING OF THE NEW END) - RAHUL DEWANGAN

      Contents

      1Epidemiology

      1.1Background

      1.2Cases

      1.3Deaths

      1.4Duration

      2Signs and symptoms

      3Cause

      3.1Transmission

      3.2Virology

      4Diagnosis

      4.1Viral testing

      4.2Imaging

      5Prevention

      5.1Hand washing

      5.2Surface cleaning

      5.3Face masks and respiratory hygiene

      5.4Social distancing

      5.5Self-isolation

      6Management

      6.1Containment and mitigation

      6.2Health care

      6.3Treatment

      7History

      8National responses

      8.1Asia

      8.2Europe

      8.3North America

      8.4South America

      8.5Africa

      8.6Oceania

      9International responses

      9.1Travel restrictions

      9.2Evacuation of foreign citizens

      9.3International aid

      9.4WHO response measures

      10Impact

      10.1Public health

      10.2Politics

      10.3Education

      10.4Socioeconomics

      10.5Culture

      10.6Environment and climate

      10.7Xenophobia and racism

      11Information dissemination

      11.1Misinformation

      COVID-19 pandemic

      The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing pandemic  of coronavirus disease 2019( COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).[6] The outbreak was first identified in Wuhan, China, in early December 2019.[4][7] The World Health Organization declared the outbreak a Public Health Emergency of International Concern on 30 January, and a pandemic on 11 March.[8][9] As of 10 May 2020, more than 4.09 million cases of COVID-19 have been reported in over 187 countries and territories, resulting in more than 282,000 deaths. More than 1.4 million people have recovered.⁵]

      The virus is primarily spread between people during close contact,[c] most often via small droplets produced by coughing,[d] sneezing, and talking.[10][11][13] The droplets usually fall to the ground or onto surfaces rather than travelling through air over long distances.[10] Less commonly, people may become infected by touching a contaminated surface and then touching their face.[10][11] It is most contagious during the first three days after the onset of symptoms, although spread may be possible before symptoms appear, or from people who do not show symptoms.[11][10]

      Common symptoms include fever, cough, fatigue, shortness of breath, and loss of smell.[10][14][15] Complications may include pneumonia and acute respiratory distress syndrome.[16] The time from exposure to onset of symptoms is typically around five days, but may range from two to fourteen days.[17][18] There is no known vaccine or specific antiviral treatment.[10] Primary treatment is symptomatic and supportive therapy.[19]

      Recommended preventive measures include hand washing, covering one's mouth when coughing, maintaining distance from other people, wearing a face mask in public settings, and monitoring and self-isolation for people who suspect they are infected.[10][20] Authorities worldwide have responded by implementing travel restrictions, lockdowns, workplace hazard controls, and facility closures. Many places have also worked to increase testing capacity and trace contacts of infected persons.

      The pandemic has caused severe global socioeconomic disruption,[21] including the largest global recession since the Great Depression.[22] It has led to the postponement or cancellation of sporting, religious, political and cultural events,[23] widespread supply shortages exacerbated by panic buying,[24][25] and decreased emissions of pollutants and greenhouse gases.[26][27] Schools, universities, and colleges have closed either on a nationwide or local basis in 190 countries, affecting approximately 73.5 per cent of the world's student population.[28] Misinformation about the virus has spread online,[29] and there have been incidents of xenophobia and discrimination against Chinese people and against those perceived as being Chinese, or as being from areas with high infection rates.[30][31][32]

      File:En.Wikipedia-VideoWiki-Coronavirus disease 2019.webm

      Epidemiology

      On 31 December 2019, health authorities in China reported to the World Health Organisation (WHO) a cluster of viral pneumonia cases of unknown cause in Wuhan, Hubei Province,[33][34] and an investigation was launched in early January 2020.[35] On 30 January, the WHO declared the outbreak a Public Health Emergency of International Concern (PHEIC); at that date there were 7,818 cases confirmed globally, affecting 19 countries in five WHO regions.[36][37]

      The early cases mostly had links to the Huanan Seafood Wholesale Market and so the virus is thought to have a zoonotic origin.[38] The virus that caused the outbreak is known as SARS-CoV-2, a newly discovered virus closely related to bat coronaviruses,[39] pangolin coronaviruses,[40][41] and SARS-CoV.[42] The scientific consensus is that COVID-19 has a natural origin.[43][44]

      The earliest known person with symptoms was later discovered to have fallen ill on 1 December 2019, and that person did not have visible connections with the later wet market cluster.[45][46] Of the early cluster of cases reported that month, two-thirds were found to have a link with the market.[47][48][49] On 13 March 2020, an unverified report from the South China Morning Post suggested a case traced back to 17 November 2019 (a 55-year-old from Hubei) may have been the first person infected.[50][51]

      The WHO recognized the spread of COVID-19 as a pandemic on 11 March 2020.[52] Europe, Iran, the U.S., South Korea, and Japan reported surging cases and their total numbers quickly passed China's.[53]

      Cases

      Main article: COVID-19 pandemic cases

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