FILE - In this Monday, July 12, 2021, file photo, Karen Martin receives a COVID-19 vaccine at a vaccination clinic hosted by James River Church West Campus in conjunction with Jordan Valley Community Health Center in Springfield, Mo. COVID-19 cases have doubled over the past three weeks, driven by the fast-spreading delta variant, lagging vaccination rates in some states and Fourth of July gatherings. The five states with the biggest two-week jump in cases per capita all had lower rates, Missouri, 45.9%; Arkansas, 43%, Nevada, 50.9%, Louisiana, 39.2% and Utah, 49.5%. (Nathan Papes/The Springfield News-Leader via AP, File)
Reports of athletes, lawmakers and others getting the coronavirus despite vaccination may sound alarming but top health experts point to overwhelming evidence that the shots are doing exactly what they are supposed to: dramatically reducing severe illness and death.