Background: The negative mental health impact of coronavirus disease 2019-related stressors may be heightened for those caring for children, who bear responsibity for their welfare during disasters. Aim: Based on the Transactional Model of Stress and Coping, we inquired whether caregivers' emotion regulation and coping behavior were associated with posttraumatic stress symptoms (PTSS). Materials & Methods: Data were collected through a national online survey in April 2020, and again 60 days later.