When someone dies in a place where autopsies aren't common, trained health workers ask relatives or caretakers about how people died. ODK Collect is the app used to collect these "verbal autopsies" that help track global deaths. You can see the iconic ODK Collect UI in the video below.
Read more at https://apnews.com/8368ad6b33604514918c4bdee12c6408 and learn more about the ODK form that's being used at WHO verbal autopsy instrument and about the Data for Health project at ODK Collect makes an appearance on Bloomberg Philanthropies website.