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NFID is focused on providing the public and healthcare professionals with current, accurate, and reliable information. The NFID website is maintained by NFID staff who are responsible for continuous evidence-based additions and updates to the content. Web content is reviewed on a regular schedule, at least annually, and include date of last review on pages with regularly updated content. Every effort is made to verify the information presented on the NFID website.

The NFID team works closely with infectious disease experts, including the Centers for Disease Control and Prevention (CDC), to develop content for the website and related educational tools and resources. Occasional contributions by expert guest authors are made for the NFID blog and are reviewed by NFID staff. As important content (including recommendations from the Advisory Committee on Immunization Practices [ACIP]) becomes available, relevant website content is reviewed and updated as quickly as possible.


This site is owned and operated by the National Foundation for Infectious Diseases (NFID). Although NFID attempts to keep the information on the site as accurate as possible, NFID assumes no duty to correct or update this website at any time. Notwithstanding that all content is reviewed by subject matter experts and generally follows the guidance of the Centers for Disease Control and Prevention (CDC), NFID makes no representation and assumes no responsibility for the accuracy of information contained on or available through this website, and such information is subject to change without notice. The information on this website may be of a time-critical nature, and NFID cannot guarantee that the information is not outdated, inaccurate, or incomplete. NFID disclaims any and all liability whatsoever relating to any use of this website and is not responsible or liable for any claim, loss or damage resulting from its use by any user.

In certain places on this website, live links to other websites may be accessed, including links to CDC and other partners. Such external links contain information created, published, maintained, or otherwise posted by institutions or organizations independent of NFID. NFID does not endorse, approve, certify, or control these external website addresses and does not guarantee the accuracy, completeness, efficacy, timeliness, or correct sequencing of information located at such addresses. Use of any information obtained from such addresses is voluntary, and reliance on it should only be undertaken after an independent review of its accuracy, completeness, efficacy, and timeliness. Reference therein to any specific commercial product, process, or service by trade name, trademark, service maker, manufacturer, or otherwise does not constitute or imply endorsement or recommendation by NFID. NFID shall not be liable, directly or indirectly, to the user or any other third party for any damage resulting from the use of the information contained or implied on this site or such other external sites.

NFID is not licensed to practice medicine and providing information on this website does not constitute such practice. This site is not designed to, nor does it provide, medical advice. All information is for general informational purposes only. The information is not intended to be a substitute for professional medical advice, diagnosis, or treatment. This site and its services do not constitute the practice of any medical, nursing, or other professional healthcare advice, diagnosis, or treatment. Readers are advised to always seek the advice of a qualified healthcare professional with any questions regarding personal health or medical conditions.