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Willingness for new TB vaccine is 77% overall, higher in adolescents than adults in southern Mozambique.

Willingness for new TB vaccine is 77% overall, higher in adolescents than adults in southern Mozambi…
Photo by Markus Winkler / Unsplash
Key Takeaway
Note that vaccine willingness is 77% overall and higher in adolescents in southern Mozambique; findings are setting-specific.

A mixed methods study combining cross-sectional surveys and concurrent in-depth interviews assessed willingness to receive a new tuberculosis vaccine among adults, adolescents, and their caregivers in southern Mozambique. The study included 151 surveys and 23 interviews, though the publication type and specific study phase were not reported. No comparator group was defined, and the study design did not establish causality.

Overall, 77% of participants expressed willingness to receive the new TB vaccine. When analyzing results by age group, adolescents demonstrated a higher willingness to be vaccinated compared to adults. The adjusted odds ratio for adolescents versus adults was 5.6, with a 95% confidence interval of 1.7 to 17.7. Absolute numbers for the age-stratified analysis were not reported. No p-values were provided for the overall willingness estimate.

Safety and tolerability data were not reported, as adverse events, serious adverse events, discontinuations, and general tolerability were not assessed in this survey-based evaluation. The study findings are specific to southern Mozambique, limiting generalizability to other regions. No funding sources or conflicts of interest were reported.

These results may help shape vaccine introduction efforts after a TB vaccine is licensed and approved for use in this age group. Clinicians should recognize that these data reflect local attitudes in a specific context and do not predict efficacy or safety profiles of the vaccine itself.

Study Details

EvidenceLevel 5
PublishedApr 2026
View Original Abstract ↓
New tuberculosis (TB) vaccines for adults and adolescents could transform TB prevention programs, but their impact depends on successful implementation. We investigated willingness to be vaccinated with a new TB vaccine in a high HIV and TB burden setting in southern Mozambique in 2024 using a mixed methods approach involving a cross-sectional survey and concurrent in-depth interviews. In 151 surveys and 23 interviews, we found that willingness to receive a new TB vaccine among adults and adolescents was 77% (148/192) overall. In multivariable analysis, adolescents were more willing to receive a new TB vaccine than adults even when adjusting for other factors which may influence vaccination decisions (adjusted OR: 5.6, 95% CI: 1.7-17.7). Personal experience with TB and greater knowledge of the disease was also linked with willingness to be vaccinated. Qualitative findings reinforced quantitative findings, further clarifying that even among those who expressed hesitancy, a safe and effective TB vaccine endorsed by healthcare workers, government agencies, and community leaders would likely have high uptake. Our findings are specific to southern Mozambique and can shape vaccine introduction efforts after a TB vaccine is licensed and approved for use in this age group.
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