It does not refer to the severity of the disease or outbreak. Broadly, a pandemic is a situation in which a disease has spread across countries and continents, often at a very fast speed. The COVID-19 pandemic laid bare these failures in global and U.S. domestic preparedness and implementation, exposing important lessons that had not been learned, critical initiatives left unfunded This timeline provides information about select moments in the COVID-19 pandemic in the United States and around the world beginning from its known origins to today. People with chronic kidney disease on dialysis who contract COVID-19 are at higher risk of severe adverse health outcomes— half require hospitalization and 20% - 30% die It also recommends we learn more about viruses and their hosts across the five most concerning virus families. These causes of disease could fuel the next pandemic. We asked leading experts about What is a pandemic? According to the WHO, a pandemic is defined as the "worldwide spread of a new disease." When a new disease first emerges, most of us lack the natural immunity to fight The 1918-1920 flu pandemic, also known as the Great Influenza epidemic or by the common misnomer Spanish flu, was an exceptionally deadly global influenza pandemic caused by the H1N1 influenza A virus.The earliest documented case was March 1918 in the state of Kansas in the United States, with further cases recorded in France, Germany and the United Kingdom in April. Find out about the history of vaccines and infectious disease outbreaks, epidemics and pandemics in this timeline. Learn about the history of major disease outbreaks, epidemics and pandemics, as well as the impact vaccines and research had on many infectious diseases. vmbj.

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