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COVID-19

|co-vid-19|

B2

🇺🇸

/ˌkoʊvɪd ˈnaɪntiːn/

🇬🇧

/ˌkəʊvɪd ˈnaɪntiːn/

disease caused by SARS-CoV-2 (2019)

Etymology
Etymology Information

'COVID-19' originates from an abbreviation coined by the World Health Organization: 'CO' from 'corona', 'VI' from 'virus', 'D' from 'disease', and '19' referring to 2019, the year the disease was first identified.

Historical Evolution

'COVID-19' replaced earlier provisional names such as '2019-nCoV' and 'novel coronavirus' when the WHO announced the official name on 11 February 2020.

Meaning Changes

Initially it meant 'the disease caused by the novel coronavirus identified in 2019'; over time its usage broadened to refer also to the pandemic, public-health event, and social/economic impacts associated with that disease.

Meanings by Part of Speech

Noun 1

the infectious disease caused by the novel coronavirus SARS-CoV-2, first identified in 2019.

She tested positive for COVID-19 last week.

Synonyms

Noun 2

informal/extended usage: the global outbreak or pandemic associated with that disease, or the social and economic effects of that outbreak.

COVID-19 disrupted international travel and economies.

Synonyms

Last updated: 2025/12/03 08:56