This briefing was developed by the IASC Reference Group for Mental Health and Psychosocial Support in Emergency Settings and summarises key mental health and psychosocial support (MHPSS) considerations in relation to the 2019 novel coronavirus (COVID-19) outbreak. It covers general MHPSS guidelines; overarching principles for an MHPSS response to COVID-19 and globally recommended activities. Intervention 3 (page 10 and 11) contains messages and activities for helping children deal with stress during the COVID-19 outbreak.