expression, noun
three Cs; three conditions that facilitate infection transmission (closed spaces, crowds, close contact)
A set phrase from COVID-19 public health messaging, referring to 密閉 (closed spaces), 密集 (crowds), and 密接 (close contact). Often used in warnings to avoid these situations.
See also: ３密
感染拡大を防ぐため、三つの密を避けてください。
To prevent the spread of infection, please avoid the three Cs.
政府は「三つの密」を避けるよう呼びかけている。
The government is urging people to avoid the 'three Cs'.
Abbreviation of 三つの密, used interchangeably in the same context.
Coined during the COVID-19 pandemic as a public health slogan, combining 三つ (three) and 密 (dense, close), referencing the three risk factors: 密閉, 密集, 密接.