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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.
2 days ago · Last year, the U.S. surgeon general, Vivek Murthy, issued a 71-page advisory warning of an American “epidemic of loneliness and isolation,” with all the danger that classification implies ...
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 ...
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.
See data on how many people are being hospitalized for COVID-19. See how government policy responses – on travel, testing, vaccinations, face coverings, and more – vary across the world. Learn what we know about the mortality risk of COVID-19 and explore the data used to calculate it.
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 ...
The COVID-19 pandemic (also known as the coronavirus pandemic ), caused by severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2 ), began with an outbreak of COVID-19 in Wuhan, China, in December 2019. It spread to other areas of Asia, and then worldwide in early 2020.
3 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, usually over the course of several months.
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.
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...