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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]
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]
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.
The virus that causes Covid-19 has more letters to describe its many derivatives than a bowl of alphabet soup. XBB.1.5, BA.2.86, JN.1: How to understand the Covid-19 alphabet soup Skip to main content
A term for COVID-19 used by former United States president Donald Trump to emphasize that the pandemic started in China. Comirnaty. Main article: Comirnaty. The commercial name for the FDA approved COVID-19 vaccine from Pfizer, released August 21, 2021. It also has several other names or designators used on the actual vials. Community transmission
Coronavirus disease 2019, a contagious disease caused by SARS-CoV-2; COVID-19 pandemic, a coronavirus pandemic that began in December 2019 and ended in May 2023; Variants of SARS-CoV-2. SARS-CoV-2 Alpha variant, a variant of SARS-CoV-2 first identified in the United Kingdom in 2020
The name "betacoronavirus" is derived from Ancient Greek βῆτα (bē̂ta, "the second letter of the Greek alphabet"), and κορώνη (korṓnē, “garland, wreath”), meaning crown, which describes the appearance of the surface projections seen under electron microscopy that resemble a solar corona.
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