Whenever the State Health Commissioner is informed that an outbreak of rabies has occurred in a county or city, he may, after consulting with the Commissioner of Agriculture and Consumer Services and the Executive Director of the Department of Wildlife Resources, adopt a regulation declaring the existence of rabies in such county or city and containing such requirements as are hereinafter set forth. Such regulations shall be prominently displayed throughout the county or city and shall be published therein by signs or otherwise to call the attention of the public to the existence of such outbreak.