1. People-centred surveillance: a narrative review of community-based surveillance among crisis-affected populations. Issue 10 (October 2020) Authors: Ratnayake, Ruwan; Tammaro, Meghan; Tiffany, Amanda; Kongelf, Anine; Polonsky, Jonathan A; McClelland, Amanda Journal: Lancet Issue: Volume 4:Issue 10(2020) Page Start: e483 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗