N.J. Stat. § 59:6-8
Notwithstanding any other provision of law to the contrary, a public entity or public employee shall not be liable in any civil action for damages as a result of the public entity's or public employee's acts of commission or omission arising out of and in the course of the acquisition, stockpiling, distribution or dispensing by the public entity or public employee of drugs and vaccines which mitigate the effects of exposure to nuclear, chemical or biological agents caused by an act of terrorism or arising out of a state of emergency as declared by the Governor, including but not limited to, potassium iodide pills.
Nothing in this act shall be deemed to grant immunity to any person or entity causing damage by a willful, wanton or grossly negligent act of commission or omission.
N.J.S. § 59:6-8