dahlgren, nbc news, new york. >>> up next for us, the unlikely football sensation. >>> tonight, the big reward for college football's newest star here is catie beck >> reporter: wake forest football starting strong this season partly thanks to the power plays of number 45 defensive back nick anderson >> did anybody expect you would be having this kind of season? >> i don't know if you expect any freshman, let alone a preferred walk-on, to have thi type of season. >> reporter: a walk-on standout who played saturday's game against virginia tech with skill and heart, nailing three interceptions and 11 tackles. the unexpected victory cause for celebrating. anderson hoisted up as a hero. >> whether you're a walk-on or the numbe one guy on the team, everybody is treated the same i felt that since day one. >> reporter: on the field after the game, another unexpected win, but this one just for anderson >> in the spring, he is going to be on scholarship. >> reporter: that scholarship a reason for him to work even harder. >> each one of my teammates is gonna go ou with 100% effort and i want

our dear friend and colleague kristin dahlgren is with us to share a new step in her recovery that she did not think was possible what all survivors need to know about the innovative procedure giving hope to many, like kristin. >> kristin is glowing this morning. good morning, sunshine >> looking forward to that >>> 1st of october, also ghosting starts tonight. do you do ghosting >> i remember. >> booing? >> what is that again? >> your doorbell goes off tonight, the kids are out. >> i thought ghosting is when a guy doesn't call you back. >> or a girl, a girl can also ghost. >> whatever, yeah. >> right >>> also coming up, a star-studded "pop start" to get to quick show of hands, who spent far too much time recently in pjs, sweats, or athleisure me too apparently we've been doing it wrong. ahead, we'll find out why dressing up from the waist up can make you more productive. >> interesting. >> all right >>> coming up in a few minutes on the "3rd hour of today," help for working parents. we'll show you the new business model that's putting a classroom in the office. >>> let's get a check o

first, kristin dahlgren takes a closer look at these findings. >> reporter: this morning, new research may answer a question that has stumped top doctors since the start of the pandemic. >> i have been puzzled from the beginning, but it is very strange, how one individual can get infected and have either mild or no symptoms, and another individual could rapidly deteriorate. >> reporter: now, two studies published wednesday suggest people with type o blood may be less affected by covid-19. danish researchers sampled almost 500,000 covid tests and found people with other blood types were more likely to test positive than those with type o. while a second canadian study found people with o or b blood appear to have less severe symptoms even finding of all the 95 critically ill patients involved in their study, those with a and ab type blood were more likely to require dialysis and to be put on a ventilator. >> i was just having really, like, difficulty breathing, shortness of breath. i was fatigued >> reporter: lisa murk was hospitalized with covid in march and says she still experiences