Del. Code tit. 16, § 312

Any justice of the peace, on application under oath, showing cause therefore by a local board of health or any authorized member thereof shall issue a warrant, under the justice of the peace’s own hand, directed to the sheriff or any constable of the sheriff’s or constable’s own county requiring the sheriff or constable, under the direction of the local board, to remove any person or persons infected with contagious disease or to take possession of condemned houses or lodgings.