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Feb 19, 2021 · What is an Epidemic? The Centers for Disease Control and Prevention (CDC) describes an epidemic as an unexpected increase in the number of disease cases in a specific geographical area. Yellow fever, smallpox, measles, and polio are prime examples of epidemics.
Mar 10, 2022 · Epidemic. An increase — often sudden — in the number of cases of a disease above what is normally expected in that population in a specific area. Pandemic. An epidemic that has spread over several countries or continents and affects many people.
Mar 17, 2021 · A Timeline of the Coronavirus Pandemic. The outbreak of the virus has sickened more than 80 million people. At least 1.7 million people have died. Here’s how the year unfolded. A group of ...
Aug 9, 2021 · A Covid-19 victim is laid to rest in a graveyard in Comas, Peru, on June 1. Peru has more than doubled its official death toll from the Covid-19 pandemic following a government review of the...
5 days ago · Pandemic, outbreak of infectious disease that occurs over a wide geographical area and that is of high prevalence, generally affecting a significant proportion of the world’s population over the course of several months. Learn about how pandemics arise and about pandemic preparedness and historical pandemics.
An epidemic (from Greek ἐπί epi "upon or above" and δῆμος demos "people") is the rapid spread of disease to a large number of hosts in a given population within a short period of time. For example, in meningococcal infections, an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic.
- www.ncbi.nlm.nih.gov
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- › Elsevier - PMC COVID-19 Collection
Aug 6, 2021 · There are four phases of an epidemic: the emergence of a disease in a community, outbreak of the disease with localized transmission, sustained outbreak of the disease in the community, and reduced transmission by controlling the disease or acquiring immunity.
Jan 27, 2021 · Epidemiology is essential to the fight against any disease. The study of how diseases spread, and why, has loomed large in the struggle to understand, contain and respond to COVID-19. Analyses...
- www.who.int
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- › Results
- › WHO Results Report 2020-2021
- › 2021
The COVID-19 pandemic has caused severe disruption to health systems, economies and societies the world over, and to much of WHO’s work to support countries advance towards the “triple billion” targets of the 13th General Programme of Work, and the health targets of the Sustainable Development Goals.
Feb 19, 2020 · The epidemic of 2019 novel coronavirus (now called SARS-CoV-2, causing the disease Covid-19) has expanded from Wuhan throughout China and is being exported to a growing number of countries, some...
