%0 Journal Article %T Trends of Enterovirus D68 Concentrations in Wastewater, California, USA, February 2021-April 2023. %A Boehm AB %A Wadford DA %A Hughes B %A Duong D %A Chen A %A Padilla T %A Wright C %A Moua L %A Bullick T %A Salas M %A Morales C %A White BJ %A Glaser CA %A Vugia DJ %A Yu AT %A Wolfe MK %J Emerg Infect Dis %V 29 %N 11 %D 2023 11 %M 37877593 %F 16.126 %R 10.3201/eid2911.231080 %X In this retrospective study, we measured enterovirus D68 (EV-D68) genomic RNA in wastewater solids longitudinally at 2 California, USA, wastewater treatment plants twice per week for 26 months. EV-D68 RNA was undetectable except when concentrations increased from mid-July to mid-December 2022, which coincided with a peak in confirmed EV-D68 cases.