CNN New Day With John Berman and Brianna Keilar June 8, 2021 11:38:00
Breakthrough cases which is certainly good news. let's discuss it now with our cnn chief medical correspondent and author of the book "keep sharp" dr. sanjay gupta. okay, sanjay, no vaccine is 100% effective against coronavirus. but this is pretty good news about if you do catch it in a breakthrough case. >> right, this is the big news. the idea it's going to prevent severe disease this vaccine we've known that for some time. we subsequently learned it was going to make you much less likely to get you infected a breakthrough infection. and far less likely to be contagious. there's always this ...