Translation guide
An infection that does not produce noticeable symptoms. In Japanese, this is typically expressed with medical terms, but can also be described in plain language.
To refer to an infection that is present but causes no clinical signs or symptoms, often used in medical or epidemiological contexts.
To explain the concept of a subclinical infection in everyday terms, without using specialized medical vocabulary.
Simple phrase meaning 'infection that does not produce symptoms'. Suitable for non-specialist audiences.
症状が出ない感染でも、他人にうつすことがあります。
Even an infection without symptoms can be transmitted to others.
不顕性感染 (subclinical infection) is a medical term meaning the infection is present but symptoms are not clinically apparent. 無症状感染 (asymptomatic infection) is more common in public health and often implies no symptoms at all. In many contexts they are used interchangeably, but 不顕性感染 is more precise for infections that may have very mild or unnoticed symptoms.
Standard medical term for subclinical infection. Literally 'inapparent infection'.
不顕性感染は症状が出ないため、気づかれにくい。
Subclinical infections are hard to notice because they produce no symptoms.
Literally 'asymptomatic infection'. More common in general health communication, but may imply no symptoms ever develop, whereas subclinical can include mild or unnoticed symptoms.
無症状感染者の割合は研究によって異なる。
The proportion of asymptomatic infections varies by study.
Refers to a latent or dormant infection, not exactly synonymous but sometimes used in similar contexts.
結核菌は潜在性感染として体内に残ることがある。
Tuberculosis bacteria can remain in the body as a latent infection.
Means 'unnoticed infection'. Emphasizes that the person is unaware of being infected.
気づかない感染が広がるのを防ぐ必要がある。
We need to prevent the spread of unnoticed infections.