Hospital workers can use the following training materials from the U.S. Department of Health & Human Services and the International Organization for Migration to help identify trafficking victims when they see them, to learn how to take care of trafficking victims once they are identified, and to educate their coworkers about the issue:

HHS - Common Health Issues Seen in Victims of Human Trafficking (in PDF)
HHS - Messages for Communicating with Victims of Human Trafficking (in PDF)
HHS - Health Provider PowerPoint Presentation on Human Trafficking (in PPT)
HHS - Health Worker Pocket Card (in PDF)
HHS - Identifying and Interacting with Victims of Human Trafficking (in PDF)
HHS - The Mindset of a Human Trafficking Victim (in PDF)
HHS - Screening Tool for Victims of Human Trafficking (in PDF)
IOM - Caring for Trafficked Persons: A Guide for Health Providers