Boosting understanding of Lassa Fever virus epidemiology: Field testing a novel assay to identify past Lassa Fever virus infection in blood and oral fluids of survivors and unexposed controls in Sierra Leone. - Akpogheneta, Onome; Dicks, Steve; Grant, Donald; Kanneh, Zainab; Jusu, Brima; Edem-Hotah, Joseph; Kanneh, Lansana; Alhasan, Foday; Gbakie, Michael; Schieffelin, John; Ijaz, Samreen; Tedder, Richard; et al. (PLoS Neglected Tropical Diseases, 2021)