- US Department of Health and Human Serviceswww.hhs.gov
- California Department of Public Health – CA.govwww.cdph.ca.gov
- Home Care Association of America | Home Care Association of Americawww.hcaoa.org
- National Institutes of Health (NIH) | Turning Discovery Into Healthwww.nih.gov
- Centers for Disease Control and Preventionwww.cdc.gov
