Why has whooping cough surged in Oregon? It’s complicatedBy Amelia Templeton (OPB)Dec. 12, 2025 1:15 a.m.The state has seen 1,475 confirmed cases so far this year, according to state health officials. 📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up