noun
inapparent infection; subclinical infection
Medical term for an infection that produces no noticeable symptoms. Often contrasted with 顕性感染 (overt/symptomatic infection).
Antonyms: 顕性感染
People with inapparent infections can spread the virus even without symptoms.
この病気は不顕性感染が多いため、実際の感染者数は報告より多いと考えられる。
Because this disease often causes subclinical infections, the actual number of cases is thought to be higher than reported.