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The name "coronavirus" is derived from Latin corona, meaning "crown" or "wreath", itself a borrowing from Greek κορώνη korṓnē, "garland, wreath". [8] [9] The name was coined by June Almeida and David Tyrrell who first observed and studied human coronaviruses. [10]
Coronavirus diseases are caused by viruses in the coronavirus subfamily, a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, the group of viruses cause respiratory tract infections that can range from mild to lethal.
COVID-19 is the deadliest pandemic in US history; [360] it was the third-leading cause of death in the US in 2020, behind heart disease and cancer. [361] From 2019 to 2020, US life expectancy dropped by 3 years for Hispanic Americans, 2.9 years for African Americans, and 1.2 years for white Americans. [362]
SARS-CoV-2 is the seventh known coronavirus to infect people, after 229E, NL63, OC43, HKU1, MERS-CoV, and the original SARS-CoV. [105] Like the SARS-related coronavirus implicated in the 2003 SARS outbreak, SARS‑CoV‑2 is a member of the subgenus Sarbecovirus (beta-CoV lineage B). [106] [107] Coronaviruses undergo frequent recombination. [108]
The COVID-19 pandemic in France has resulted in 39,008,711 [1] confirmed cases of COVID-19 and 168,122 [1] deaths. The virus was confirmed to have reached France on 24 January 2020, when the first COVID-19 case in both Europe and France was identified in Bordeaux. The first five confirmed cases were all individuals who had recently arrived from ...
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A generic coronavirus illustration. Coronavirus diseases are a family of usually mild illnesses in humans, including those such as the common cold, that have resulted in outbreaks and pandemics such as the 1889-1890 pandemic, [118] [119] the 2002–2004 SARS outbreak, Middle East respiratory syndrome–related coronavirus and the COVID-19 pandemic.
Alcohol is used as a social lubricant, maybe more so as holiday festivities approach. But drinking carries health and other risks. Here are five tips to make it safer.