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Enhancing HIV and TB Diagnosis: Adjunct Technologies for Sample Collection and Processing
Deadline: 25 Mar 2025 - 11:30 AM Pacific Time
For further information about this Grand Challenges grant opportunity and how to apply, please visit the Enhancing HIV and TB Diagnosis: Adjunct Technologies for Sample Collection and Processing challenge page. When you are ready to submit your application, click on the apply button on this page.
For background on the Grand Challenges family of initiatives, including past challenges and awarded grants, please visit the Grand Challenges website.
If you have questions regarding your application, please email grandchallenges@gatesfoundation.org.

Guided by the belief that every life has equal value, the Gates Foundation works to help all people lead healthy, productive lives. In developing countries, we work with partners to create impactful solutions so that people can take charge of their futures and achieve their full potential. In the United States, we aim to ensure that everyone—especially those with the fewest resources—has access to the opportunities needed to succeed in school and life. Based in Seattle, Washington, the foundation is led by CEO Mark Suzman, under the direction of Bill Gates and our governing board.
Covers healthcare services, public health systems, and activities aimed at promoting physical and mental well-being.
Comprises laboratory facilities, equipment, and measurement activities used for scientific, technical, and analytical purposes.