Paediatric Aids Treatment for Africa (PATA) is a network of treatment teams from more than 130 clinics in 23 sub-Saharan African countries, united by the common goal of expanding access to quality care for children and their families affected by HIV. PATA believes that this can best be achieved by supporting committed health care providers to enhance, expand and extend their work to impact on others through a ripple effect in the community (the ‘PATA effect’). PATA values and promotes models of care that address both the psychosocial, medical and material needs of the child, and that offer integrated, patient-centred and affordable services.