PLoS One
http://www.plosone.org/
[Accessed 2 May 2020]

Evidence of rotavirus vaccine impact in sub-Saharan Africa: Systematic review and meta-analysis
Opolot Godfrey, Weidong Zhang, Cecilia Amponsem-Boateng, Timothy Bonney Oppong, QingLin Zhao, Dankang Li
Research Article | published 27 Apr 2020 PLOS ONE
https://doi.org/10.1371/journal.pone.0232113