close contact; high-risk contact
Used in public health contexts for a person who has been in close contact with an infected individual. Often seen in the compound 濃厚接触者.
See also: 濃厚接触者
The public health center is investigating the close contacts of the infected person.
Please check whether you qualify as a high-risk contact.
close contact; high-risk contact
Compound of 接触 (contact) + 者 (person).