Assessing the regional impact of Japan’s COVID-19 state of emergency declaration: a population-level observational study using social networking services

Authors

Daisuke Yoneoka

Shoi Shi

Shuhei Nomura

Yuta Tanoue

Takayuki Kawashima

Akifumi Eguchi

Kentaro Matsuura

Koji Makiyama

Shinya Uryu

Keisuke Ejima

Haruka Sakamoto

Toshibumi Taniguchi

Hiroyuki Kunishima

Stuart Gilmour

Hiroshi Nishiura

Hiroaki Miyata

Doi

10.1136/bmjopen-2020-042002

Published in BMJ Open, vol. 11, no. 2, article e042002. doi:10.1136/bmjopen-2020-042002

Population-level observational evidence, drawn from social networking services, on the regional impact of Japan’s COVID-19 state of emergency.