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Third immunization dose. last slide. and so in summary, the current data that indicate that antibody levels decline over time, higher levels are associated with a higher level of efficacy. higher levels of antibody may be required to protect against delta. and a booster mrna immunization increases antibody titers by multiple fold. all of this supports the use of a third booster mrna immunization to increase the overall level of protection. back to you now, jeff. >> thank you. i want to be clear the whole effort is ready to get every american that needs one a booster shot.

Who are in the hospital and tragically more people are dying of covid-19. we are currently averaging over 500 covid-19 deaths per day, and these remain largely preventable. if you are still unvaccinated, please get vaccinated. the single best action you can take to protect yourself and others is to simply get vaccinated in the first place. and now i will turn things over to dr. fauci. >> thank you very much, dr. walensky. what i'd like to do over the next couple of minutes is provide you with the immunological basis that would support a third booster mrna immunization. i will make four points ...

Next slide. the next concept, and that gets to the booster. the booster mrna immunization increases antibody titers by at least tenfold. these are data from moderna, but pfizer has announced very similar data. the bottom line is, if you look first at the left panel, the first column is looking at the antibody titers just before the third dose and then 15 days after the third dose is shown right next to it that says d15. as you can see, a remarkable increase in titers against the 614g, the b1351, the p.1 and the pfizer data which you would suspect to be similar to the moderna, is also against t...

0 personnel in danger, as well. kristen: sheriff martin, thank you very much. we'll have the latest on the fire at 4:00. tonight, breaking news as we come on the air. the abc news exclusive with president biden. his first interview since the fall of afghanistan to the taliban. president biden one-on-one with george stephanopoulos. the president said just weeks ago, a taliban takeover was highly unlikely. so, was the intelligence wrong or did the president downplay it? how the president responds. did u.s. military leaders suggest keeping some sort of a footprint on the ground? and if the u.s....

And the first performance feature largely intact although there may be some declines there especially in those of high age. the problem is we're losing that second performance feature. and that is why we have to still mask up we think when we're vaccinated. the problem is accelerating, i think that we'll have to go back to universal mask recommendations. the president is not wrong, he gave information based on what we knew at the time and delta is a game changer. but again, we shouldn't panic but recognize that, one, we have to vaccinate the south otherwise we'll be in dire straits and we have...