▁trying ▁to ▁achieve ▁universal ▁health care , ▁or ▁any ▁number ▁of ▁other ▁health ▁measures . ▁ ▁There ▁has ▁been ▁some ▁effort ▁to ▁use ▁a ▁systems ▁thinking ▁approach ▁to ▁health ▁systems ▁strength ening . ▁ ▁Organ izations ▁that ▁use ▁health ▁systems ▁strength ening ▁Vari ous ▁health ▁organizations ▁have ▁claimed ▁to ▁use ▁health ▁systems ▁strength ening ▁( while ▁not ▁necessarily ▁agree ing ▁on ▁the ▁definition ). ▁Some ▁of ▁these ▁are : ▁▁ ▁World ▁Health ▁Organ ization ▁ ▁US ▁Agency ▁for ▁International ▁Development ▁( USA ID , ▁uses ▁different ▁definition ▁from ▁the ▁one ▁in ▁a ▁ 2 0 0 6 ▁Global ▁Fund - comm ission ed ▁W HO ▁report ); ▁USA ID ▁states ▁that ▁H SS ▁has ▁been ▁" at ▁the ▁core ▁of ▁[ its ] ▁mission ▁in ▁health ▁for ▁the ▁last ▁ 2 0 ▁years ", ▁and ▁defines ▁H SS ▁as ▁" init i ating ▁activities ▁in ▁the ▁six ▁intern ation ally ▁accepted ▁core ▁H SS ▁functions ▁– ▁human ▁resources ▁for ▁health ; ▁health ▁fin ance ; ▁health ▁govern ance ; ▁health ▁information ; ▁medical ▁products , ▁v acc ines , ▁and ▁techn ologies ; ▁and ▁service ▁delivery ". ▁ ▁G AV I ▁Alliance ▁ ▁The ▁Global ▁Fund ▁ ▁P E PF AR ▁( though ▁less ▁developed ) ▁ ▁Stop ▁T B ▁Part ners hip ▁( uses ▁different ▁definition ▁from ▁the ▁one ▁in ▁a ▁ 2 0 0 6 ▁Global ▁Fund - comm ission ed ▁W HO ▁report ) ▁ ▁Roll ▁Back ▁Mal aria ▁( uses ▁different ▁definition ▁from ▁the ▁one ▁in ▁a ▁ 2