The El Dorado County Opioid Coalition (EDCOC) and the Sierra Harm Reduction Coalition (SHRC) are co-hosting a free virtual educational series, Community Awareness Substance-use Education (CASE). The event is the first Wednesday of every month beginning on June 2, 2021, and going through Dec. 1, 2021, from 12:30 p.m. to 1:00 p.m.