According to the Regulation of the Minister of Health No. 82 of 2014, Article 1, a Communicable Disease is a disease that can be transmitted to humans and is caused by biological agents, including viruses, bacteria, fungi, and parasites. HDSS Sleman respondents are asked questions regarding the history of communicable diseases experienced by family members within a specific period. The diseases inquired about include acute respiratory infections (ARI), malaria, dengue fever, leptospirosis, and pulmonary tuberculosis.