Nigeria has the highest incidence of pneumococcal disease in Africa and introduced the 10-valent pneumococcal vaccine for infants between 2014 and 2016. Here, the authors conduct repeated cross-sectional surveys to analyse the impact of the vaccination campaign on pneumococcal carriage and serotype distribution.
- Aishatu L. Adamu
- J. Ojal
- Ifedayo M. O. Adetifa
