CNN CNN Newsroom With Fredricka Whitfield October 16, 2021 17:28:00
Increase in that immunity that we are looking for. and we see that both moderna and johnson & johnson were approved to move forward. >> so, they all had relatively impressive efficacy rates. johnson & johnson had one at 72% versus moderna and sizer, 94 and 95%. now, to understand that, with a booster, johnson & johnson is 100% with efficacy. now, that's pretty impressive. and if that's the case, you know, many people are kind of wondering why didn't they just use two dose from the beginning. >> that's such a great question, fred. and one of the reasons is that, you know, the bar for vaccinatio...
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