In this subtitle the following words have the meanings indicated. “Catastrophic health emergency” means a situation in which extensive loss of life or serious disability is threatened imminently because of exposure to a deadly agent. “Deadly agent” means: anthrax, ebola, plague, smallpox, tularemia, or other bacterial, fungal, rickettsial, or viral agent, biological toxin, or other biological agent capable of causing extensive loss of life or serious disability; mustard gas, nerve gas, or other chemical agent capable of causing extensive loss of life or serious disability; or radiation at levels capable of causing extensive loss of life or serious disability. “Exposure to a deadly agent” means a threat to human health caused by the release, distribution, or transmission of a deadly agent in: this State; or another jurisdiction because of movement into the State of the deadly agent or of individuals exposed to the deadly agent. “Health care provider” means: a health care facility as defined in § 19–114(d)(1) of the Health – General Article; a health care practitioner as defined in § 19–114(e) of the Health – General Article; and an individual licensed or certified as an emergency medical services provider under § 13–516 of the Education Article. “Secretary” means the Secretary of Health.