Maryland Statutes
Part II - Control of Infectious and Contagious Diseases
Section 18-212.1 - Authority of Governor to Quarantine Vessels

If the Governor has strong grounds to believe that there is a danger of a malignant and contagious disease being introduced into the State, the Governor may:
        (1)    Quarantine a vessel that is entering the waters of the State;
        (2)    Prohibit or restrict contact between the State and the place affected by the disease; and
        (3)    Take other actions that appear to the Governor to be necessary to carry out this section.