Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Overview of the study procedures, the timeline for study and data collection. Note 1: Each cluster of the study will be formed by a cluster with intervention versus control. The period of activities for each serological survey will take place at the time described in the figure (allocation, recruitment and baseline). Note 2: Update years 1 to 5 will be realised after receipt of the water and sanitation company schedule.
