Fauci says Covid-19 vaccine might not get us the herd immunity we need - CNN

Dr. Anthony Fauci says he would "settle" for a Covid-19 vaccine that's 70% to 75% effective, but that this incomplete protection, coupled with the fact that many Americans say they won't get a coronavirus vaccine, makes it "unlikely" that the US will achieve … https://www.cnn.com/2020/06/28/health/fauci-coronavirus-vaccine-contact-tracing-aspen/index.html