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An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections, an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic. [1]
At the beginning of March 2022, South Korea joined the list of 30 most affected countries on the first anniversary of the day when it overtook China in terms of the number of cases. As of 3 February 2025, France is the most affected country in Europe , while Germany is the second most affected country and the United Kingdom the third most ...
The figures presented are based on reported cases and deaths. While in several high-income countries the ratio of total estimated cases and deaths to reported cases and deaths is low and close to 1, for some countries it may be more than 10 [7] or even more than 100. [8] Implementation of COVID-19 surveillance methods varies widely. [9]
For the Netherlands, based on overall excess mortality, an estimated 20,000 people died from COVID-19 in 2020, [10] while only the death of 11,525 identified COVID-19 cases was registered. [9] The official count of COVID-19 deaths as of December 2021 is slightly more than 5.4 million, according to World Health Organization's report in May 2022.
[b] The COVID-19 pandemic also saw the emergence of misinformation and conspiracy theories, [39] and highlighted weaknesses in the U.S. public health system. [17] [40] [41] In the United States, there have been 103,436,829 [3] confirmed cases of COVID-19 with 1,212,505 [3] confirmed deaths, the most of any country, and the 17th highest per ...
Whooping cough cases began to increase gradually in the 1980s and peaked in 2012 with 48,277 cases, the CDC said. Reported cases were still high until the COVID-19 pandemic in 2020. The CDC thinks ...
The timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, [1] the virus that causes the coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [2]
Early in the pandemic, cases of RSV and other respiratory viruses like flu dropped to low levels, thanks to mitigation measures such as mask wearing and social distancing, Campbell said.