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An epidemic is the rapid spread of disease to a large number of hosts in a given population within a short period of time. Learn about the factors that may contribute to causing an epidemic, such as antigenic change, drug resistance, transmission, seasonality and host density.
28 de mar. de 2023 · The consequences of severe COVID-19 include death, respiratory failure, sepsis, thromboembolism (blood clots), and multiorgan failure, including injury of the heart, liver or kidneys. In rare situations, children can develop a severe inflammatory syndrome a few weeks after infection.
19 de feb. de 2021 · Learn the differences between epidemic, endemic, and pandemic diseases, and how they are caused and measured. Explore the history and impact of past pandemics and the current COVID-19 outbreak.
6 de ago. de 2021 · Key points. •. Global epidemic events, that is, plague, influenza, coronaviruses have been evolving from deadly human pathogens. •. Most of the emerging pathogens are of “zoonotic” or animal origin. •. Practicing nonpharmacological interventions is an effective weapon in fighting against an epidemic. •.
4 de dic. de 2021 · With that aim, the Independent Panel for Pandemic Preparedness and Response has developed a chronology of events, actions, and recommendations, from December, 2019, when the first cases of COVID-19 were identified in China, to the end of March, 2020, by which time the outbreak had spread extensively worldwide and had been characterised as a pand...
23 de nov. de 2021 · The percentage of the world's population that has been infected as of 31 December 2020 was estimated at 12.56% (95% CI: 11.17–14.05%). It was lowest in the Western Pacific Region at 0.66% (95% CI: 0.59–0.75%) and highest in the Americas at 41.92% (95% CI: 37.95–46.09%).
WHO develops global strategies and provides emergency vaccine supplies and antibiotics for high-threat infectious diseases, such as yellow fever, cholera and influenza. Learn about WHO's impact, news, publications and multimedia on epidemic and pandemic preparedness and response.
