The upcoming June-to-August rainy season will likely prompt additional humanitarian needs for an estimated 536,000 vulnerable people in northeast Nigeria, according to the Operational Inter-Sector Working Group (OISWG)—the body responsible for humanitarian inter-sector coordination activities in northeastern Nigeria, comprising UN agencies, non-governmental organizations (NGOs), and other stakeholders. USAID Disaster Assistance Response Team (DART) partners are preparing for rainy season by pre-positioning supplies, training staff on responding to potential disease outbreak, and bolstering disease surveillance, among other activities.