omicron and this was the only case that turned positive, in which case it would indicate that our vaiccines are working very well. it is also helpful to understand that this person had mild symptoms that have, to my understanding, resolved pretty swiftly. so this may very well be, actually a story of vaccine success and not necessarily one of vaccine failure and that is what all of the science right now we re doing to understand. you know, i do want to ask about this issue of natural immunity, dr. walensky. it comes up quite a bit. people who have have had covid feel like they have in infection acquired immunity, wondering why they still need to get the vaccine. is it been a lot of back and forth on this. should there be some plan in place to be able to figure out if someone actually has antibodies, have immunity and therefore doesn t either need to be vaccinated now or, you know, get a booster now, whatever it may be? yeah, this is really
game-changer. but experts say that vaiccines are still the way out of the pandemic. my body, my choice. hundreds of rallies across the country as protesters make a stand for reproductive rights. and instagram under fire, two high-profile influencers reveal their social media struggles. i m pamela brown in washington. you are in the cnn newsroom and it is great to have you along with us on this saturday evening. an on this saturday night in the nation s capitol, the house is not in order. various democrats blaming one another for the collapse of an infrastructure deal this week. infrastructure week yet again. it continues. speaker pelosi wants it to be done by halloween but her previous deadline came and went just like kids going trick-or-treating and tonight democrats are back home empty handed. house progressives and moderates
through infections were lower by a factor of 11.3 and the rate of severe illness was lower by a factor of 19.5 among those who received a booster. and pfizer has released data showing waning immunity as it tracked those who received its vaccine and we anticipate this study will be discussed as well tomorrow. among the pfizer data is though shaz about a week to two months after receiving a vaccine, efficacy was 96.2% among those fully vaccinated. and you see here on this chart, it waned and by four months it was at an efficacy of 83.7%. and this is evidence just again of that waning immunity. and of course, erica and jim, there are arguments on all sides when it comes to boosters. some say that we do need boosters because of the waning immunity, some argue against it and say our vaiccines are workig