CNN Anderson Cooper 360 August 19, 2021 04:38:00
We are joined by the director of the national institutes of health, dr. francis collins, dr. collins, appreciate you being with us. so experts at the highest levels of the administration had been saying they hadn't seen data indicating the general public would need boosters right now. can you talk about the new data and what's changed? >> well, i was one of those experts and as recently as three weeks oago, i was skeptical too. the newer data, some of which is published today by the cdc and some of which comes from overseas, especially from israel, does show a waning of the effect of vaccines ...