CNN Inside Politics With John King December 30, 2021 17:03:00
They are distributing that and we'll have them look at the study districts and we'll look at schools where they tried testing and they say that it really does work to keep down covid spikes, but it's not perfect. it needs to be paired with masking and social distancing and even then we will still see covid cases in schools. phil? >> there's never been a spike like this before as your great reporting shows. elizabeth cohen, thanks so much. >> i want to bring in dr. jonathan ryaner to share his expertise, professor of medicine and surgery at george washington university. doctor i kind of want to...