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In epidemiology, an outbreak is a sudden increase in occurrences of a disease when cases are in excess of normal expectancy for the location or season. It may affect a small and localized group or impact upon thousands of people across an entire continent.
The coronavirus is on everyone’s minds. As an epidemiologist, I find it interesting to hear people using technical terms – like quarantine or super spreader or reproductive number – that my ...
A medical dictionary definition of pandemic is "an epidemic occurring on a scale that crosses international boundaries, usually affecting people on a worldwide scale". [14] A disease or condition is not a pandemic merely because it is widespread or kills many people; it must also be infectious.
2018 Nipah virus outbreak in Kerala: 2018 India Nipah virus infection: 17 [294] Kivu Ebola epidemic: 2018–2020 Democratic Republic of the Congo and Uganda: Ebola: 2,280 [295] [296] [297] 2018 NDM-CRE outbreak in Italy 2018–2019 Italy New Delhi metallo-beta-lactamase-producing Carbapenem-resistant enterobacteriaceae: 31 (as of September 2019 ...
The World Health Organization (WHO) declared the outbreak a public health emergency of international concern (PHEIC) on 30 January 2020, and assessed the outbreak as having become a pandemic on 11 March. [3] COVID-19 symptoms range from asymptomatic to deadly, but most commonly include fever, sore throat, nocturnal cough, and fatigue.
Influenza A is really the only flu virus type that can cause a pandemic, says Beth Oller, MD, a practicing family physician in Stockton, Kansas. A flu pandemic is when a new type of influenza ...
The Plague of Athens (c. 1652 –1654) by Michiel Sweerts, illustrating the devastating epidemic that struck Athens in 430 BC, as described by the historian Thucydides. The United States Centers for Disease Control and Prevention defines epidemic broadly: "Epidemic refers to an increase, often sudden, in the number of cases of a disease above what is normally expected in that population in ...
The COVID-19 pandemic has killed over 1.2 million Americans and over 7 million worldwide. The 1918 Spanish Flu pandemic killed an estimated 675,000 Americans and 40-60 million globally. It’s not ...