"There were 18.2 million zero-dose children in 2021, and as they accounted for over 70% of all underimmunized children, reaching zero-dose children will be essential to meeting ambitious immunization coverage targets by 2030." While certain geographic locations, such as urban slum, remote rural, and conflict-affected settings, may place a child at
"Analyses of gaps in coverage according to religion are relevant to renewing efforts to reach groups that are being left behind, with an important role in the reduction of zero-dose children." Belief systems can have direct implications on health-seeking behaviour, including vaccination.