“…Studies reported barriers associated with direct costs including the cost of the vaccine [ 19 , 23 , 64 , 76 , 80 , 82 , 83 ], transportation costs to access services [ 19 , 25 , 29 , 36 , 58 , 61 , 68 , 70 ], and illicit fees for services or the need to pay health workers [ 25 , 36 ]. One woman in Malaysia reflected, “What’s the point of taking my children to a clinic to be vaccinated if I do not have money?” [ 28 ].…”