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Exploring parents' reasons for incomplete childhood immunisation in Indonesia
Agung Taufiqur Rokhman Syiroj1, Jerico Franciscus Pardosi2, Anita E Heywood3
1National Population and Family Planning Board, East Java Province, Indonesia; School of Public Health and Community Medicine, Faculty of Medicine, University of New South Wales, Sydney, Australia.
Introduction:
Immunisation is one of the most successful interventions for controlling infectious diseases but relies on continuous high coverage. Parental vaccine refusal and logistical barriers to access are threats to the success of immunisation programs, with resultant population immunity gaps leading to outbreaks of vaccine-preventable diseases. In Indonesia, coverage of childhood vaccines is suboptimal, with poor coverage of diphtheria-tetanus-pertussis vaccine leading to a large diphtheria outbreak in 2017.
Methods:
To explore the underlying parents' reasons for incomplete childhood immunisation in Indonesia, semi-structured interviews were conducted in Tangerang Selatan, Banten Province, Indonesia. Sixteen purposively selected primary carers of partially and unimmunised children were interviewed. Transcripts were coded and analysed using inductive thematic analysis.
Results:
Parental reasons were categorised into three interrelated themes of belief barriers, safety concerns, and issues of trust and misinformation. Stark differences were evident in reasons provided by carers of unimmunised children compared to partially immunised children. For parents of unimmunised children, Islamic beliefs, belief in the strength of natural immunity, and the use of alternative medicines strongly influenced behaviours. Safety concerns, issues of trust including distrust in the government, misinformation, and trust in information obtained through social networks were also prominent. In contrast, concerns about mild side-effects and logistical barriers outweighed beliefs among carers of partially immunised children.
Conclusions:
Our findings highlight the complexities in decision making for parents who decide not to vaccinate their children. In the Indonesian context, public health education and engagement of religious leaders to bridge the gap between religious beliefs and vaccine acceptance are needed to address vaccine refusal. Future research on the influence of social networks on vaccine hesitancy in the Indonesian context is also warranted. For parents of partially vaccinated children, interventions should focus on barriers of access to community health staff to encourage timely schedule completion.