noun
Category II infectious disease
A legal classification under Japan's Infectious Diseases Control Law. Category II includes diseases like tuberculosis, SARS, and MERS, which require specific reporting and control measures.
結核は二類感染症に指定されている。
Tuberculosis is designated as a Category II infectious disease.
二類感染症の発生時には、保健所への届け出が義務付けられている。
When a Category II infectious disease occurs, notification to the public health center is mandatory.
The Infectious Diseases Control Law under which 二類感染症 is defined.
Category I infectious diseases (e.g., Ebola, plague) are more severe and require stricter measures than Category II.
Category III infectious diseases (e.g., cholera, bacterial dysentery) are less severe than Category II and have different reporting requirements.
Compound of 二類 (にるい, 'second category') + 感染症 (かんせんしょう, 'infectious disease'). The term is a modern legal classification.