(a) As used in this Code section, the term "etiologic agent" means any tissue, body fluid, or any other biological material which has the potential to transmit illness or disease or other harm upon contact, ingestion, or inhalation.

(b) Except as provided in subsection (c) of this Code section, any vehicle while transporting any etiologic agent or any biomedical waste as such term is defined in Code Section 12-8-22 in this state shall be clearly marked on both sides and on the back with a sign or placard bearing the internationally recognized symbol designated for use in this state by the Environmental Protection Division of the Department of Natural Resources denoting biohazardous material, not less than 12 inches in height and red in color on a white background, and the words "BIOHAZARDOUS MATERIAL" in capital block letters not less than two inches in height and red in color on a white background.

(c) Any nurse who under the orders of a physician transports in accordance with the containment procedures established in the rules of the Department of Natural Resources for transportation of biomedical products or waste less than 100cc of any body fluid shall be exempt from the placarding requirements of subsection (b) of this Code section.

(d) Violation of the provisions of this Code section shall constitute a misdemeanor.