Early SNS-Based Monitoring System for the COVID-19 Outbreak in Japan: A Population-Level Observational Study.
Daisuke YoneokaTakayuki KawashimaYuta TanoueShuhei NomuraKeisuke EjimaShoi ShiAkifumi EguchiToshibumi TaniguchiHaruka SakamotoHiroyuki KunishimaStuart GilmourHiroshi NishiuraHiroaki MiyataPublished in: Journal of epidemiology (2020)
COOPERA is the first real-time system being used to monitor trends in COVID-19 in Japan and provides useful insights to assist political decisions to tackle the epidemic.