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Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The disease was first identified in 2019 in Wuhan, Central China, and has since spread globally, resulting in a pandemic and affecting over 100 countries of the world.
COVID-19 simulation models are mathematical infectious disease models for the spread of COVID-19. [1] The list should not be confused with COVID-19 apps used mainly for digital contact tracing . Note that some of the applications listed are website-only models or simulators, and some of those rely on (or use) real-time data from other sources.
COVID-19 pandemic. Hazard controls for COVID-19 in workplaces are the application of occupational safety and health methodologies for hazard controls to the prevention of COVID-19. Vaccination is the most effective way to protect against severe illness or death from COVID-19. Multiple layers of controls are recommended, including measures such ...
The COVID-19 portal. Coronavirus disease 2019 ( COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. The first known case was identified in Wuhan, China, in December 2019. Most scientists believe the SARS-CoV-2 virus entered into human populations through natural zoonosis, similar to the SARS-CoV-1 and MERS-CoV outbreaks, and ...
Cases are most likely increasing in 39 states and aren’t declining anywhere in the U.S., according to the Centers for Disease Control and Prevention — evidence that an anticipated summer wave ...
COVID-19 surveillance involves monitoring the spread of the coronavirus disease in order to establish the patterns of disease progression. The World Health Organization (WHO) recommends active surveillance, with focus of case finding, testing and contact tracing in all transmission scenarios. [1] COVID-19 surveillance is expected to monitor ...
BA.5, a new Omicron subvariant of the coronavirus, has become dominant in the U.S., accounting for 65% of infections nationwide, according to the Centers for Disease Control and Prevention.Some ...
The World Health Organization (WHO) is a leading organisation involved in the global coordination for mitigating the COVID-19 pandemic within the broader United Nations response to the pandemic . On 5 January 2020, the WHO notified the world about a "pneumonia of unknown cause" in China and subsequently began investigating the disease.