Del. Code tit. 16, § 522

Whenever the Division shall discover, as a result of its own investigation or as a result of any report required by this chapter that any person may have tuberculosis, the Division shall investigate or further investigate the circumstances and if, after investigation, the Division is of the opinion that a case of tuberculosis has been found, the Division shall interview, or cause to be interviewed, said person in order to investigate the source and spread of the disease and in order to require said person to submit to examination and treatment as necessary. The Division shall keep record of all interventions with said persons.