Neisseria meningitidis carriage peaks in adolescents. This secondary analysis of a randomized controlled trial (NCT03089086) assessing 4CMenB herd protection in South Australia ("B-Part-of-It" study) explored school attributes linked to baseline carriage in 34,489 adolescents prevaccination. Carriage was higher in students attending single-sex [adjusted odds ratio (aOR): 1.49; 95% confidence interval (CI): 1.14-1.93], boarding (aOR: 1.92; 1.13-3.27) and government schools (aOR: 1.32, 1.09-1.61).
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Mohammed et al. (2024) studied this question.
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