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InciWeb is an interagency all-risk incident web information management system provided by the United States Forest Service released in 2004. [1] It was originally developed for wildland fire emergencies, but can be also used for other emergency incidents ( natural disasters , such as earthquakes , floods , hurricanes , and tornadoes ).
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Tedros Adhanom Ghebreyesus explained: CO for corona, VI for virus, D for disease and 19 for when the outbreak was first identified (31 December 2019). [23] WHO additionally uses "the COVID-19 virus" and "the virus responsible for COVID-19" in public communications. [22] WHO named variants of concern and variants of interest using Greek letters.
The spikes are the most distinguishing feature of coronaviruses and are responsible for the corona- or halo-like surface. On average a coronavirus particle has 74 surface spikes. [53] Each spike is about 20 nm long and is composed of a trimer of the S protein. The S protein is in turn composed of an S1 and S2 subunit.
Weekly confirmed COVID-19 deaths Map of cumulative COVID-19 death rates by U.S. state [8]. On December 31, 2019, China announced the discovery of a cluster of pneumonia cases in Wuhan.
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2.In January 2020 the disease spread worldwide, resulting in the COVID-19 pandemic.
Coronaviruses are known for their shape resembling a stellar corona, such as that of the Sun visible during a total solar eclipse; corona is derived from Latin corōna 'garland, wreath, crown'. [6]
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