summer allergies :: Article Creator "Invisible Killer": Seasonal Allergies And Accidents Jack Madison provided superb research assistance. The authors thank Panle Jia Barwick, Robert Kaestner, Hiroyuki Kasahara, Munechika Katayama, Yoshifumi Konishi, Yuta Kuroda, Young Lee, Michelle Marcus, David Molitor, Claudia Persico, Julian Reif, Yutaro Sakai, Edson Severnini, Shinsuke Tanaka, Rusty Tchernis, Erdal Tekin, Shinsuke Uchida, Hendrik Wolff, and the seminar participants at Advances in Utilizing Mobile Location Data (Waseda University), AASLE 2022, AMES China 2022, AMES Tokyo 2022, AsianWEHE 2022, Japan Economic Association 2022, Hanyang-Kobe-Nanyang Conference, J-TREE, Kobe University, LACEA/LAMES 2022, NBER Health Economics Fall Meeting 2022, Osaka Metropolitan University, and University of Bologna, for their comments and suggestions. We thank the Fire and Disaster Management Agency of the Ministry of Internal Affairs and Communications a...