Group 1 - The article discusses the conditions under which an employee's situation is considered equivalent to a work-related injury according to the Work Injury Insurance Regulations [1][2] - Employees who experience sudden illness leading to death during work hours or within 48 hours of an unsuccessful rescue are eligible for work injury insurance benefits [2] - Employees injured while participating in rescue and disaster relief activities are also entitled to work injury insurance benefits [2] - Veterans with old injuries that recur after joining a new employer are eligible for work injury insurance benefits, excluding one-time disability compensation [1][2] Group 2 - The article outlines situations that do not qualify as work-related injuries or equivalent injuries, including intentional criminal acts, intoxication, and self-harm or suicide [4]