▁have ▁H IV ▁among ▁them ▁are ▁tr uck ▁drivers , ▁exp atri ated ▁migr ant ▁workers ▁and ▁w ives ▁of ▁ID Us . ▁However , ▁the ▁inc idence ▁rate ▁are ▁not ▁known ▁for ▁the ▁reasons ▁mentioned ▁above . ▁Two ▁studies ▁of ▁men ▁from ▁the ▁general ▁population : ▁F ais el ▁and ▁Cle land ▁and ▁A ▁Study ▁of ▁Br id ging ▁Pop ulations ▁( The ▁Population ▁Council / ▁N AC P ▁ 2 0 0 7 ) ▁show ▁no ▁H IV ▁and ▁few ▁ST Is ▁in ▁this ▁group . ▁Similarly ▁a ▁study ▁of ▁women ▁att ending ▁labor ▁and ▁delivery ▁clin ics ▁in ▁ 4 ▁cities ▁had ▁shown ▁no ▁H IV ▁and ▁rare ▁ST Is ▁( N AC P ▁ 2 0 0 1 ). ▁Furthermore , ▁blood ▁don or ▁screen ing ▁data ▁all ▁over ▁the ▁country ▁are ▁suggesting ▁low ▁H IV ▁in fection ▁in ▁the ▁blood ▁don or ▁population , ▁al beit ▁with ▁some ▁increasing ▁tr ends ▁in ▁selected ▁cent ers . ▁ ▁A ▁number ▁of ▁factors ▁may ▁have ▁contributed ▁to ▁keeping ▁the ▁overall ▁transmission ▁of ▁H IV ▁within ▁the ▁general ▁population . ▁One , ▁Pakistan ▁is ▁a ▁pre domin antly ▁Muslim ▁country ▁with ▁near ▁universal ▁circum c ision . ▁Second ly , ▁tab o os ▁on ▁sex ▁may ▁have ▁led ▁to ▁a ▁higher ▁proportion ▁of ▁the ▁need ▁for ▁non - mar ital ▁sex ▁to ▁be ▁met ▁via ▁sex ▁between ▁men , ▁much ▁from ▁a ▁smaller ▁group ▁of ▁men ▁within ▁each ▁person ' s ▁acquaint ance . ▁Some ▁of ▁this ▁is ▁suggested ▁by ▁the