noun which may take the genitive case particle 'no'
asymptomatic; subclinical; without symptoms
Medical term describing a condition or infection that shows no noticeable symptoms.
無症状の感染者もウイルスを広げる可能性がある。
Asymptomatic carriers can also spread the virus.
この病気は無症状のまま進行
This disease can progress while remaining asymptomatic.