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Our community is united by the same mission: to provide hope, courage, and support to people affected by Primary Immunodeficiency worldwide.

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We are committed to accessibility

Effective Date: April 29, 2025

The Jeffrey Modell Foundation is dedicated to ensuring that its website is accessible to everyone.

We strive to exceed accessibility best practices

We follow the web content accessibility guidelines (WCAG, Version 2.1 AA), a universal set of standards designed to make web content accessible to meet the needs of every individual, organization, and government. As we develop new pages and functionality, we consider the principles of accessible design and development at every stage of the process.

Navigating our website

  • Users can change the text size on the screen.
  • The color contrast ratios meet WCAG 2.1 AA standards for low vision and color vision deficiencies.
  • Text alternatives are provided for visual and auditory information.
  • Most pages can be navigated using only a keyboard.

We work to improve the accessibility of our content wherever practical

We cannot guarantee all pages of our site are equally accessible at this time. Making updates and improvements to our site is an ongoing effort.

Third-Party Content

The website may contain links to third-party content created and maintained by other people and organizations. External links, embedded third-party content, and other components beyond the foundation's control may or may not meet WCAG standards for accessibility.

The Jeffrey Modell Foundation is dedicated to enhancing the accessibility of its website and welcomes feedback from users to help them achieve this goal.

We welcome your feedback

We welcome your thoughts on the accessibility of our website. If you have suggestions about the usability of our site, please e-mail us at info@jmfworld.org.


In 2024, The Jeffrey Modell Foundation received the highest four-star rating from Charity Navigator for the 9th consecutive year, ranking #1 in Immunology out of 10,000 organizations evaluated worldwide.

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