Endemic transmission of echovirus 30 in Toyama, Japan in 2010 is verified by environmental surveillance.

Masae Iwai*, Eiji Horimoto, Mayumi Obara, Masatsugu Obuchi, Takeshi Kurata, Kumiko Kawagoshi, Sumika Nakamura, Hiroyuki Shimizu, Hiromu Yoshida, and Takenori Takizawa Department of Virology, Toyama Institute of Health, Toyama 939-0363; Tonami Health Center, Toyama 939-1506; Takaoka Health Center, Toyama 933-8523; and Department of Virology II, National Institute of Infectious Diseases, Tokyo 208-0011, Japan