National Institutes of Health’s National Institute of Allergy and Infectious Diseases
(NIAID) leads this observance.
This day is a chance to thank the volunteers, community members, health professionals, and scientists working together to find a safe and effective preventive HIV vaccine. It is also a time to educate communities about the importance of preventive HIV vaccine research.
https://www.hiv.gov/events/awareness-days/hiv-vaccine-awareness-day