The National Institutes of Health (NIH) is inviting proposals for the "Pilot Projects to Enhance the Human Virome Program," aimed at characterizing the human virome and developing tools to study its impact on health and disease. This funding opportunity supports small pilot projects (R03, clinical trials not allowed) that seek to validate, improve, or complement existing tools, expand cohorts, develop new methods, or explore host-virome interactions, while ensuring no overlap with current Human Virome Program efforts. Approximately six awards of up to $100,000 per year for two years are anticipated, with applications due by November 24, 2025. Interested applicants can find more information and contact NIH Grants Information at grantsinfo@nih.gov for inquiries.