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The Centers for Disease Control and Prevention's (CDC) Unified Process (UP) respects the intellectual property of others, and we ask users of our websites to do the same in accordance with the Creative Commons Attribution 3.0 License, the Digital Millennium Copyright Act (DMCA), and other applicable laws. All rights reserved to change any license terms at any time without notice.

In general, content available on the CDC UP website is licensed under a Creative Commons Attribution 3.0 License. However, overarching Federal, Department of Health and Human Services (HHS), and CDC policies and guidelines apply to all CDC content, including that of the CDC UP, and may govern restrictions, acceptable usage, modification, and redistribution of such materials. Additional policies specific to the CDC UP may also apply.

Creative Commons License - Some Rights Reserved The CDC UP website contains both copywritten and non-copywritten content not clearly distinguishable. Where authors are identified, additional copyrights and policies specific to that work apply. Please contact the CDC UP for information on specific policies governing varying uses of content available on the CDC UP website.

Creative Commons Attribution 3.0 License - Summary
In general, you are free to share, copy, sample, remix, distribute, and transmit CDC UP content under the following conditions:

  • Attribution: You must clearly attribute the work to the CDC, CDC UP, and any indentified author(s) but not in any way that suggests endorsement of you or your use of the work. Credit authors either by including
    a.) a URL to the CDC UP website (
    b.) a URL to an alternative, stable online copy which is freely accessible, which conforms with the license, and which provides credit to the CDC, CDC UP, and any indentified author(s),
    c.) a URL to the content you are re-using,
    d.) a list of all authors.
    CDC UP content from external sources may attach additional attribution requirements to the work.
  • Indicate changes: If you make modifications or additions, you must indicate in a reasonable fashion that the original work has been modified.
  • Share Alike: If you alter, transform, or build upon this work, you may distribute the resulting work only under the same, similar, or a compatible license.
  • Notice: For any reuse or distribution, you must make clear to others the license terms of the work by including a licensing notice stating that the work is released under Creative Commons Attribution-ShareAlike license and either
    a.) a hyperlink or URL to the text of the license or
    b.) a copy of the license.
    For this purpose, a suitable URL is:
  • Other Rights: In no way are any of the following rights affected by the license: your fair dealing or fair use rights; the author's moral rights; and rights other persons may have either in the work itself or in how the work is used, such as publicity or privacy rights.

Creative Commons Attribution 3.0 License

Creative Commons Attribution-ShareAlike 3.0 License



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