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Un nuovo coronavirus, denominato Coronavirus 2 della sindrome respiratoria acuta grave (SARS-CoV-2), è stato identificato come la causa di un'epidemia di malattia respiratoria rilevata per la prima volta a Wuhan, in Cina, nel 2019. La malattia causata da questo virus è stata denominata malattia da coronavirus 2019 (COVID-19).
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]
SARS-CoV-2 is a novel coronavirus first identified in China in January 2020 as the cause of an acute respiratory disease now known as COVID-19. Cases of the disease increased rapidly and spread globally, with the World Health Organization characterising COVID-19 as a pandemic in March 2020.
KP.3.1.1 is still the dominant COVID-19 variant in the United States as it accounts for nearly 60% of positive cases, but the new XEC variant is not far behind, recent Centers for Disease Control ...
A new set of COVID-19 variants has been detected in wastewater surveillance and it's not as playful as the name would suggest.. The variants, labeled KP.2 but nicknamed FLiRT, made up nearly 25% ...
Several people say that they’ve tested negative for the flu, RSV, and COVID-19, but they’re having symptoms like a cough, sore throat, nausea, and feeling lousy. Some say they have a lot of ...
[1] [2] The core themes of the exhibition focused on "Helpers and Heroes, Your New Normal and Acts of Kindness." [1] In July 2020, the exhibition was released and displayed the final 100 photographs online. In October 2020, the portraits were displayed on 112 public sites, including billboards, murals, and posters, across 80 towns and cities.
Initial estimates of the basic reproduction number (R 0) for COVID-19 in January 2020 were between 1.4 and 2.5, [58] but a subsequent analysis claimed that it may be about 5.7 (with a 95 per cent confidence interval of 3.8 to 8.9). [59] In December 2021, the number of cases continued to climb due to several factors, including new COVID-19 variants.