Social Sciences, asked by lavishakamra2, 10 months ago

Dive into history and research about any one Pandemic that has threatened the human civilization in past. Write about its occurrence, threats, results and cure​

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Answered by sharmavarun10305
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Answer:

Intermittent outbreaks of infectious diseases have had profound and lasting effects on societies throughout history. Those events have powerfully shaped the economic, political, and social aspects of human civilization, with their effects often lasting for centuries. Epidemic outbreaks have defined some of the basic tenets of modern medicine, pushing the scientific community to develop principles of epidemiology, prevention, immunization, and antimicrobial treatments. This chapter outlines some of the most notable outbreaks that took place in human history and are relevant for a better understanding of the rest of the material. Starting with religious texts, which heavily reference plagues, this chapter establishes the fundamentals for our understanding of the scope, social, medical, and psychological impact that some pandemics effected on civilization, including the Black Death (a plague outbreak from the fourteenth century), the Spanish Flu of 1918, and the more recent outbreaks in the twenty-first century, including SARS, Ebola, and Zika.

Keywords: Pandemic outbreaks, History of pandemics, Plague, Spanish influenza, SARS, Ebola, Zika, Disease X

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Go to: “Spanish Flu” Pandemic 1918–1920 The Spanish flu pandemic in the first decades of the twentieth century was the first true global pandemic and the first one that occurred in the setting of modern medicine, with specialties such as infectious diseases and epidemiology studying the nature of the illness and the course of the pandemic as it unfolded. It is also, as of this time, the last true global pandemic with devastating consequences for societies across the globe [44]. It was caused by the H1N1 strain of the influenza virus, [45] a strain that had an encore outbreak in the early years of the twenty-first century. Despite advances in epidemiology and public health, both at the time and in subsequent decades, the true origin of Spanish flu remains unknown, despite its name. As possible sources of origin, cited are the USA, China, Spain, France, or Austria. These uncertainties are perpetuated by the circumstances of the Spanish flu – it took place in the middle of World War I, with significant censorships in place, and with fairly advanced modes of transportation, including intercontinental travel [44].

Go to: HIV Pandemic HIV/AIDS is a slowly progressing global pandemic cascading through decades of time, different continents, and different populations, bringing new challenges with every new iteration and for every new group it affected. It started in the early 1980s in the USA, causing significant public concern as HIV at the time inevitably progressed to AIDS and ultimately, to death. The initial expansion of HIV was marked by its spread predominantly among the gay population and by high mortality, leading to marked social isolation and stigma. HIV affects about 40 million people globally (prevalence rate: 0.79%) and has killed almost the same number of people since 1981 [52]. It causes about one million deaths a year worldwide (down from nearly two million in 2005) [53]. While it represents a global public health phenomenon, the HIV epidemic is particularly alarming in some Sub-Saharan African countries (Botswana, Lesotho, and Swaziland), where the prevalence tops 25% [54]. In the USA, about 1.2 million people live with HIV and about 12,000 die every year (down from over 40,000 per year in the late 1990s). HIV in the USA disproportionately affects gay population, transgendered women, and African-Americans.

Go to: Smallpox Outbreak in Former Yugoslavia (1972) Smallpox was a highly contagious disease for which Edward Jenner developed the world’s first vaccine in 1798. Caused by the Variola virus, it was a highly contagious disease with prominent skin eruptions (pustules) and mortality of about 30%. It may have been responsible for hundreds of millions of fatalities in the twentieth century alone. Due to the well-coordinated global effort starting in 1967 under the leadership of Donald Henderson, smallpox was eradicated within a decade of undertaking the eradication on a global scale.The smallpox outbreak in the former Yugoslavia in 1972 was a far cry from even an epidemic, let alone a pandemic, but it illustrated the challenges associated with a rapidly spreading, highly contagious illness in a modern world. It started with a pilgrim returning from the Middle East, who developed fever and skin eruptions.

Go to: “Swine Flu” or H1N1/09 Pandemic The 2009 H1N1 pandemic was a reprise of the “Spanish flu” pandemic from 1918, but with far less devastating consequences. Suspected as a re-assortment of bird, swine, and human flu viruses, it was colloquially known as the “swine flu” [67]. It started in Mexico in April of 2009 and reached pandemic proportions within weeks

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