here to talk about that and much more the ucf department of medicine chair thank you for your time. what is your reaction to this? >> i think it was inevitable once we learned vaccine efficacy was waning over time and in the face of delta, this nasty virus, it was inevitable there would be boosters. i'm glad they have made clear there would be a plan for them because we have got to figure out how to roll it out. you cannot flip a switch and say 200 people are eligible to go to seed tomorrow so it looks like the plans people who got their vaccine more than eight months ago and then similar to what we saw in january health care workers, then nursing homes, and then working their way down risk groups. kristen: that probably coincides with the time for folks like you in the medical profession. you are coming up on that eight months so you should go first, right? >> we are eight months so there is a natural symmetry there. the groups they got in first are the groups that gotta -- that dotted the longest and they also got their first because they have a lot of exposure and we don't want t

carlos del rio, an infectious disease expert in atlanta speaking at a ucf form yesterday.essing improving vaccine rates in underserved communities to cut down on the pandemic timeline. kumasi: right, one of the top stories you find on our website is our conversation with another top infectious disease expert. a professor of epidemiology at boston university recently tweeted equations explain why the delta variant is making it mathematically impossible to beat the virus now. even if they 100% vaccination rate. that discussion as well as a place to find answers on vexing questions of your own is at abc 7 news -- abc7news.com/vaccine. julian: more of our top stories we are following. the big win for britney spears, new analysis on her next steps for freedom. kumasi: and holiday package pinch. the possible added fees for you to send your letters and nail this year. julian: futuristic fast food. taco bell's newest location rethinking your drive-thru experience. kumasi: let's take a live look at the big board of the new york stock exchange. up 45 wanes. another update next. juli

ucf infectious disease expect dr. peter hong helps to cut through the clutter. >> they should listen to cdc, because what they are looking at is the impact of the disease and hospitalizations and death. >> reporter: he says that while they are powerful and the invention is great, the ability to prevent serious cases is the key. >> if it were up to me, preventing someone from getting seriously ill is really the outcome that we need to care most about. >> reporter: but this group of the east bay locals are done debating, and they say they want the booster. >> i would have it, of course, that is good. >> i'm 80, so i need a booster. i am on up there in years. >> reporter: and so is randy adams who received themarch. >> i have a health issue, and diet. >> reporter: that is one place that drug companies and the health officials agree that boosters will be needed for immu immunocompromised. >> it is extremely important to move to get those individuals their boosters. >> reporter: and ralph has already taken matters into his

we spoke 101 with department of medicine chair at ucf about why and what changes we can expect over the next few months. >> it is pretty sobering to hear one of the top experts admit that we may never get to herd immunity. since delta is twice as infectious we may need to have 100% of people fully vaccinated and we know it is not realistic. he said this is one that will constantly be changing. >> it is possible we will never reach herd immunity. >> reaching step back to normality and for san francisco that was reaching 75% of the population fully vaccinated. >> we are at about 75% of san francisco immunized and we are still seeing a heckuva search. >> reporter: the fight in this pandemic will constantly be changing. >> the level of protection that we thought would be associated with herd immunity is no longer by enough. >> he said the need for wrapping up vaccinations has never been more important as we may always be fighting new variants. >> delta was worse than alpha and it is not at all impossible or even unlikely that we will not have a variant that is more nasty than delta. >> shou

joining us to talk about this is ucf department of medicine chair dr. bob walker. it's been a while. delighted to have you on today. >> thank you. i wish i didn't have to be here. >> it will be nice one of these days when i go, "why do we need to talk to dr. walker?" that day is not now. how worried are you about this delta plus variant bay area? . >> there's's no great evidence it is substantially worse and no great evidence it will spread and take over from delta. so i'd say it's at the level where we need to keep our eye on it. but right now, the main problem in our lives is the regular old delta variant. >> so with regard to the regular old delta, santa cruz county announced its case rate has doubled in the last two week. san francisco's positivity rate has hit a 15-month high. tell us why is this happening when we have over 70, 80% of the population vaccinated in many bay area counties? >> were a it is case, and the test case really is with a level of vaccination that the rest of the country aspires to. is that high enough to beat back this variant? and the an

. >> reporter: ucf patrician marissa is fully vaccinated and in july the doctor took attaining staycationfamily. >> i went on a boat ride and ate outdoors once. we had some small gatherings with friends that were fully vaccinated. >> it is twice as transmissible as the earlier ones were. >> reporter: infectious disease expert dr. george rutherford say that unvaccinated are the underbrush feeding the flames and the vaccinated are the collateral damage. >> is a vaccinated person you have more and more risk of being exposed. >> reporter: she suspects she got covid outdoors. then she unwittingly gave the virus to her unprotected two- year-old. >> i was terrified. i was really scared. >> reporter: cdc data suggests that vaccinated people can carry a large amount of the delta variant in their nose and mouth. >> they can still be transmitters to unvaccinated people. >> reporter: had 150 sites around the world, the vaccine continues to strongly protect against severe illness and death but it's power wanes over time. about 6% every two months. a problem if the virus is surging in the community. >>

we will hear from a ucfs doctor in a live interview this morning. that's at 9:50. on the app. -great idea. [gasps] look at the little cutie. -he's coming for a visit. -hi. [chuckles] aww! oh! he's leaving! -nice work, guys! -introducing togo's new cheese steak melt, featuring fresh artisan bread, layered with tender seasoned steak, sautéed mushrooms, roasted red peppers, and smothered with melty american cheese. the new cheese steak melt, now at togo's. team usa is ready for the olympic games, and so is erica! she's got the fastest internet, with wifi speeds faster than a gig. so when all of team usa is going for gold... ...her wifi can power it all, and more. i. love. you. can your internet do that? cheer on team usa with wifi speeds faster than a gig. or, get started with xfinity internet for $19.99 a month for 12 months. switch today. >>> i'm justin andrews. dedication. that's one thing i'm noticing here. they are dedicated to working out and even dedicated to wearing a mask. it's a mandate now and seven bay area counties including here in pleasantonhaveen talki

ucf had one hospitalized , 45. >> in two weeks we'll be coming down in cases. hospitalizations will probably press the early or middle of september because they lag. >> doctors suggest the bay could be the major metropolitan area in the state to see a surge peak. you can ask questions you have about the coronavirus vaccine to the abc 7 vaccine team. reggie:reggie: developing news on the fall of afghanistan. the taliban's cofounder has returned to the country after spending more than 20 years in exile. republicans on the house armed services committee sent a letter to president biden requesting information about his plan for afghanistan. an official says last night 1100 american citizens, permanent residents, and their families have attack awaited. nearly 2000 afghan special immigrants have been relocated to the states. u.s. government officials are trying to speed up the visa process for afghans seeking asylum. many people in the bay area say that more needs to be done to help ahan refu getettled in america. he was born in afghanistan and became a translator fo

ucf had one hospitalized covered patient, went up to 45. we are back down to about 35. >> we see it coming down in cases. hospitalizations will probably crest in the early or middle of september, because they lag. kumasi: the ucss doctors suggest the bay area could be the first major metropolitan area in the state to see a surge peak. reggie: developing news in the fall of afghanistan. the co-founder hasurd - returned to the country after 20 years in exile. evers of the house armed services committee has sent a letter to president biden requesting his plan for afghanistan. the white house tells abc news that as of last night about 1100 u.s. citizens, permanent residents, and their families have evacuated. special immigrants have been relocated to the united states. u.s. officials are trying to speed up the visa process for afghan seeking asylum. many in the bay area say more needs to be done to help afghan refugees get settled in america. one became a translator for the u.s. army during the war. >> education -- culture shock is real, especi

patient ucf is the first universe.the in the country to use the portal hologram machine for education, healthcare education. students will learn about conditions from alzheimer's to down syndrome and deepen their patient care skills to be able to develop that team with a lifelike patient that we can bring in time and time again without the burden of bringing people to campus and having access to standardized patients and actors. this machine can even beam objects like myself in real time. all. all you need is a four k cameras set up anywhere in the world and using the portal in technology, it beans me into the machine, opening it up for endless possibilities, and you feel like the person is right there. um and that's huge, professor lauren biz like wilson plans on using doctor hologram with her speech, language pathologist students. she says pictures and videos are okay. but holograms are better. they're able to see those motor impairments that they wouldn't have seen. maybe in a video that is really just focusing from