https://abcnews.go.com/Health/breakthrough-covid-19-infectio https://abcnews.go.com/Health/breakthrough-covid-19-infectio... “Breakthrough infections are not e

https://abcnews.go.com/Health/breakthrough-covid-19-infectio https://abcnews.go.com/Health/breakthrough-covid-19-infectio... “Breakthrough infections are not evidence that vaccines don’t work anymore than the fact that car crashes [that] are still sometimes fatal is evidence that seatbelts don’t work. We use prevention tools because they help reduce our risk of serious disease or death, not because they are guaranteed to 100% always keep us safe,” Murray [, an assistant professor of epidemiology at Boston University School of Public Health] said.