The Office of the National Coordinator for Health Information Technology (ONC) at the U.S. Department of Health and Human Services (HHS) today announced that the U.S. Department of Veterans Affairs (VA) and the Department of War (DOW) have joined the Trusted Exchange Framework and Common Agreement™ (TEFCA®). TEFCA is America’s interoperability network, helping patients, healthcare providers, public health, and increasingly federal agencies securely share electronic health information.