Emergency Support Function 8 (ESF8) encompasses nearly all public health and healthcare preparedness issues, yet since its inception, it's drawn attention to a thornier issue: how, when, and if to use volunteers during a disaster response.This issue features practices that address volunteer integration, training, and credentialing.EDITORS' NOTE: You'll also notice that we've updated the look and feel of our newsletter to match our new Web site. Let us know what you think!