US Department of Health and Human Services (DHHS) [YouTube - Twitter: @HHSGov @CDCEmergency]
National Disaster Medical System (NDMS)
Office of the Assistant Secretary for Preparedness and Response (ASPR)
YouTube - Twitter @PHEGov - Facebook - Wikipedia: NDMS DMAT
US Public Health Service (PHS)
Rapid Deployment Force (RDF)
Department of Homeland Security (DHS)Federal Emergency Management Agency (FEMA) [YouTube]
FEMA declared disasters
FEMA Daily Operations Briefing Email
Ready.gov
National Terrorism Advisory System (NTAS) [Twitter @NTASAlerts]