The Disease Intervention Specialist I (DIS) is a public health professional responsible for investigating and intervening in the spread of sexually transmitted diseases (STDs), including HIV. This role involves client-centered interviewing, partner services facilitation, contact tracing, and collaboration with medical providers to ensure patient evaluation and treatment. The DIS I focuses on gonorrhea casework, conducting complex investigations and contributing to program support activities, including training new DIS staff and participating in community outreach.