Live from cnbc global headquarters, the facts, the truth, the news with Shepard Smith. And good evening. As america faces whats expected to be the worst wave of covid yet, there is a groundbreaking development in the race for a vaccine. The drug maker pfizer announcing early data shows its experimental vaccine is more than 90 effective in preventing covid19 that would make it about as effective as the polio vaccine pfizers ceo telling cnbc we could have up to 50 million doses of it by the end of this year it is a great day for science. It is a great day for humanity when you realize that your vaccine has a 90 effectively. Thats overwhelming. The good news comes as the virus spreads across the country at a rate weve never before seen cases on the rise in 49 states over the past week 31 of them having their biggest spike since the pandemic began in the past eight days, weve had more than 830,000 new confirmed cases. Total hospitalizations are back up to where they were back in july, with
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