Translation guide
The disease caused by the novel coronavirus, commonly referred to by its English name or Japanese abbreviations.
Referring to the illness itself in conversation or writing.
The official Japanese name for COVID-19. Used in formal contexts, news, and government documents. Often shortened in casual speech.
The number of COVID-19 cases is increasing.
The most common casual abbreviation. Used in everyday conversation to refer to the disease or the pandemic situation.
Since COVID-19 spread, I can't go without a mask.
Slightly more formal than just コロナ, but still common in news and daily speech. Literally 'novel corona'.
The event was canceled due to COVID-19.
The English acronym is sometimes used in written Japanese, especially in technical or international contexts. Pronounced as 'kobiddo juukyuu'.
COVID-19 vaccinations have begun.
Referring specifically to the virus that causes COVID-19.
In casual Japanese, 'コロナ' almost always refers to COVID-19, not the virus family. It's used for the disease, the pandemic, or the situation. For example, 'コロナで仕事を失った' (I lost my job due to COVID).
Investigate the transmission route of the coronavirus.