Md. Code, Health - General § 18–601

(a) An individual who has an infectious disease that endangers public health may not willfully:

(1) Be in a public place without taking proper precautions against exposing other individuals to the disease; or

(2) Transfer to another individual any article that has been exposed to the disease without thoroughly disinfecting the article.

(b) A person who violates any provision of this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $500 or imprisonment not exceeding 1 year or both.