Defining the burden of febrile illness in rural South and Southeast Asia: an open letter to announce the launch of the Rural Febrile Illness project. - Chandna, Arjun; Rusheng Chew; Nan Shwe Nwe Htun; Peto, Thomas J.; Meiwen Zhang; Liverani, Marco; Brummaier, Tobias; Phommasone, Koukeo; Perrone, Carlo; Aung Pyae Phyo; Sattabongkot, Jetsumon; Roobsoong, Wanlapa; et al. (Wellcome Open Research, 2022)