(a)(1) A person licensed to practice medicine and surgery under the provisions of chapter 370 or dentistry under the provisions of § 20-106 or members of the same professions licensed to practice in any other state of the United States, a person licensed as a registered nurse under § 20-93 or 20-94 or certified as a licensed practical nurse under § 20-96 or 20-97, a medical technician or any person operating a cardiopulmonary resuscitator or a person trained in cardiopulmonary resuscitation in accordance with the guidelines set forth by the American Red Cross or American Heart Association, or a person operating an automatic external defibrillator, who, voluntarily and gratuitously and other than in the ordinary course of such person’s employment or practice, renders emergency medical or professional assistance to a person in need thereof, shall not be liable to such person assisted for civil damages for any personal injuries which result from acts or omissions by such person in rendering the emergency care, which may constitute ordinary negligence. A person or entity that provides or maintains an automatic external defibrillator shall not be liable for the acts or omissions of such person or entity in providing or maintaining the automatic external defibrillator, which may constitute ordinary negligence. A person or entity that provides or maintains an automatic external defibrillator in a cabinet, which also contains an opioid antagonist used to treat or prevent a drug overdose, shall not be liable for the acts or omissions of such person or entity in making available the opioid antagonist, which may constitute ordinary negligence. The immunity provided in this subsection does not apply to acts or omissions constituting gross, wilful or wanton negligence. With respect to the use of an automatic external defibrillator, the immunity provided in this subsection shall only apply to acts or omissions involving the use of an automatic external defibrillator in the rendering of emergency care, except a health club licensed pursuant to § 21a-223, shall not be held liable on and after October 1, 2022, for acts or omissions involving the nonuse of the automatic external defibrillator. Nothing in this subsection shall be construed to exempt paid or volunteer firefighters, police officers or emergency medical services personnel from completing training in cardiopulmonary resuscitation or in the use of an automatic external defibrillator in accordance with the guidelines set forth by the American Red Cross or American Heart Association. For the purposes of this subsection, “automatic external defibrillator” means a device that: (A) Is used to administer an electric shock through the chest wall to the heart; (B) contains internal decision-making electronics, microcomputers or special software that allows it to interpret physiologic signals, make medical diagnosis and, if necessary, apply therapy; (C) guides the user through the process of using the device by audible or visual prompts; and (D) does not require the user to employ any discretion or judgment in its use.

(2) Notwithstanding the provisions of subdivision (1) of this subsection, a person licensed to practice medicine and surgery under the provisions of chapter 370 or dentistry under the provisions of § 20-106 or members of the same professions licensed to practice in any other state of the United States, or a person licensed as a registered nurse under § 20-93 or 20-94 or certified as a licensed practical nurse under § 20-96 or 20-97, who operates an automatic external defibrillator to render emergency medical or professional assistance to a person in need thereof shall not be liable to such person assisted for civil damages for any personal injuries which result from the malfunctioning of the automatic external defibrillator, which malfunctioning was not a result of such health care provider’s negligence.

(b) A paid or volunteer firefighter or police officer, a teacher or other school personnel on the school grounds or in the school building or at a school function, a member of a ski patrol, a lifeguard, a conservation officer, patrol officer or special police officer of the Department of Energy and Environmental Protection, or emergency medical service personnel, who (1) has completed a course in first aid offered by the American Red Cross, the American Heart Association, the National Ski Patrol, the Department of Public Health, any director of health or an organization using guidelines for first aid published by the American Heart Association and the American Red Cross, that is certified by the organization or director of health offering the course, and, (2) renders emergency first aid to a person in need thereof, shall not be liable to such person assisted for civil damages for any personal injuries which result from acts or omissions by such person in rendering the emergency first aid, which may constitute ordinary negligence. No paid or volunteer firefighter, police officer or emergency medical service personnel who forcibly enters the residence of any person in order to render emergency first aid to a person whom such firefighter, police officer or emergency medical service personnel reasonably believes to be in need thereof shall be liable to such person for civil damages incurred as a result of such entry. The immunity provided in this subsection does not apply to acts or omissions constituting gross, wilful or wanton negligence.

(c) An employee of a railroad company, including any company operating a commuter rail line, who has successfully completed a course in first aid, offered by the American Red Cross, the American Heart Association, the National Ski Patrol, the Department of Public Health, any director of health or an organization using guidelines for first aid published by the American Heart Association and the American Red Cross, that is certified by the organization or director of health offering the course, and who renders emergency first aid or cardiopulmonary resuscitation to a person in need thereof, shall not be liable to such person assisted for civil damages for any personal injury or death which results from acts or omissions by such employee in rendering the emergency first aid or cardiopulmonary resuscitation which may constitute ordinary negligence. The immunity provided in this subsection does not apply to acts or omissions constituting gross, wilful or wanton negligence.

(d) A railroad company, including any commuter rail line, which provides emergency medical training or equipment to any employee granted immunity pursuant to subsection (c) of this section shall not be liable for civil damages for any injury sustained by a person or for the death of a person which results from the company’s acts or omissions in providing such training or equipment or which results from acts or omissions by such employee in rendering emergency first aid or cardiopulmonary resuscitation, which may constitute ordinary negligence. The immunity provided in this subsection does not apply to acts or omissions constituting gross, wilful or wanton negligence.

(e) (1) For purposes of this subsection, “cartridge injector” means an automatic prefilled cartridge injector or similar automatic injectable equipment used to deliver epinephrine in a standard dose for emergency first aid response to allergic reactions.

(2) Any volunteer worker associated with, or any person employed to work for, a program offered to children sixteen years of age or younger by a corporation, other than a licensed health care provider, that is exempt from federal income taxation under Section 501 of the Internal Revenue Code of 1986, or any subsequent corresponding internal revenue code of the United States, as from time to time amended, who (A) has been trained in the use of a cartridge injector by a licensed physician, physician assistant, advanced practice registered nurse or registered nurse, (B) has obtained the consent of a parent or legal guardian to use a cartridge injector on his or her child, and (C) uses a cartridge injector on such child in apparent need thereof participating in such program, shall not be liable to such child assisted or to such child’s parent or guardian for civil damages for any personal injury or death which results from acts or omissions by such worker in using a cartridge injector which may constitute ordinary negligence. The immunity provided in this subsection does not apply to acts or omissions constituting gross, wilful or wanton negligence.

(3) A corporation, other than a licensed health care provider, that is exempt from federal income taxation under Section 501 of the Internal Revenue Code of 1986, or any subsequent corresponding internal revenue code of the United States, as from time to time amended, which provides training in the use of cartridge injectors to any volunteer worker granted immunity pursuant to subdivision (2) of this subsection shall not be liable for civil damages for any injury sustained by, or for the death of, a child sixteen years of age or younger who is participating in a program offered by such corporation, which injury or death results from acts or omissions by such worker in using a cartridge injector, which may constitute ordinary negligence. The immunity provided in this subsection does not apply to acts or omissions constituting gross, wilful or wanton negligence.

(f) A teacher or other school personnel, on the school grounds or in the school building or at a school function, who has completed both a course in first aid in accordance with subsection (b) of this section and a course given by the medical advisor of the school or by a licensed physician in the administration of medication by injection, who renders emergency care by administration of medication by injection to a person in need thereof, shall not be liable to the person assisted for civil damages for any injuries which result from acts or omissions by the person in rendering the emergency care of administration of medication by injection, which may constitute ordinary negligence. The immunity provided in this subsection does not apply to acts or omissions constituting gross, wilful or wanton negligence.

(g) The provisions of this section shall not be construed to require any teacher or other school personnel to render emergency first aid or administer medication by injection.

(h) Any person who has completed a course in first aid offered by the American Red Cross, the American Heart Association, the National Ski Patrol, the Department of Public Health, any director of health or by an organization using guidelines for first aid published by the American Heart Association and the American Red Cross, that is certified by the organization or director of health offering the course, or has been trained in the use of a cartridge injector by a licensed physician, physician assistant, advanced practice registered nurse or registered nurse, and who, voluntarily and gratuitously and other than in the ordinary course of such person’s employment or practice, renders emergency assistance by using a cartridge injector on another person in need thereof, or any person who is an identified staff member of a before or after school program, day camp or child care facility, as defined in § 19a-900, and who renders emergency assistance by using a cartridge injector on another person in need thereof, shall not be liable to such person assisted for civil damages for any personal injuries which result from acts or omissions by such person in using a cartridge injector, which may constitute ordinary negligence. The immunity provided in this subsection does not apply to acts or omissions constituting gross, wilful or wanton negligence. For the purposes of this subsection, “cartridge injector” has the same meaning as provided in subdivision (1) of subsection (e) of this section.

(i) A school bus driver, on or in the immediate vicinity of a school bus during the provision of school transportation services, who renders emergency care by administration of medication with a cartridge injector to a student in need thereof who has a medically diagnosed allergic condition that may require prompt treatment in order to protect the student against serious harm or death, shall not be liable to the student assisted for civil damages for any injuries which result from acts or omissions by the school bus driver in rendering the emergency care of administration of medication with a cartridge injector, which may constitute ordinary negligence. The immunity provided in this subsection does not apply to acts or omissions constituting gross, wilful or wanton negligence. For the purposes of this subsection, “cartridge injector” has the same meaning as provided in subdivision (1) of subsection (e) of this section.