Coronavirus
Coronaviruses are a large group of viruses that are common among animals.
Coronavirus. A coronavirus is a kind of common virus that causes an infection in your nose sinuses or upper throat. The list of countries and territories and their continental regional classification is based on the united nations geoscheme. Symptoms may appear 2 14 days after exposure to the virus. Coronavirus covid 19 home page.
Most people will have mild symptoms and get better on their own. Links with this icon indicate that you are leaving the cdc website. People with covid 19 have had a wide range of symptoms reported ranging from mild symptoms to severe illness. In early 2020 after a december 2019 outbreak in china.
Sources are provided under latest updates. People with these symptoms may have covid 19. Coronavirus covid 19 global cases by the center for systems science and engineering csse at johns hopkins university jhu. The coronavirus covid 19 is affecting 213 countries and territories around the world and 2 international conveyances.
Most coronaviruses aren t dangerous. Covid 19 tracking apps supported by apple and google begin showing up in app stores four months after apple and google announced an unusual collaboration to help public health authorities track the novel coronavirus apps built on their privacy optimized exposure notification framework have begun arriving in the u s. The name coronavirus is derived from latin corona meaning crown or wreath itself a borrowing from greek κορώνη korṓnē garland wreath. The name was coined by june almeida and david tyrrell who first observed and studied human coronaviruses.
In rare cases they are what scientists call zoonotic meaning they can be transmitted from animals to humans according to. The day is reset after midnight gmt 0. Covid 19 is a respiratory condition caused by a coronavirus. But about 1 in.
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