Fig. 3

(1) Suspected diarrhea with severe dehydration notifications in IDSR and CBS, Koinadugu (2017–2019). (2) Suspected diarrhea with severe dehydration notifications in IDSR and CBS, Pujehun (2017–2019). The blue line shows IDSR notifications while the orange line shows cumulative CBS and IDSR notifications while both systems were active. In Koinadugu CBS trend mirrors IDSR trend, while in Pujehun CBS notifications sharply decrease while IDSR notifications remain stable in April to July 2018