Translation guide
The official name for the disease caused by SARS-CoV-2, commonly referred to as COVID-19. In Japanese, the English-derived name is standard, but formal contexts may use a longer Japanese term.
Referring to the illness caused by the novel coronavirus, in everyday or official contexts.
The formal Japanese name for COVID-19, used in official documents and news. Often shortened in speech.
The number of COVID-19 cases is increasing.
Common abbreviation for COVID-19 in casual conversation. Can also refer to the virus itself.
I caught COVID.
The English acronym is widely understood and used in Japanese media and signage.
I got the COVID-19 vaccine.
Short for 'novel coronavirus disease', very common in news and daily speech.
The event was canceled due to COVID-19.
In everyday conversation, Japanese speakers rarely use the full formal name. コロナ is the most common way to refer to the disease, though it can be ambiguous with the virus itself. Context usually makes it clear.