• ACE Active TB Study
• ACE Latent TB Study
• HALT Hepatitis Study
• HALT-LTBI study
• Mental Health Consequences of Community Violence among Adolescents in Brazil: Evidence and Methods to Inform Future Research and Intervention
• NATSAL: The National Survey of Sexual Attitudes and Lifestyles
• NextGen Study
• Pilot of enhanced LGV surveillance in Europe
• Royal Free HIV Cohort Study
• Setting standards to maximise the scientific potential of primary care record linkage in longitudinal studies