independent living communities for seniors nationwide. c.e.o. lilly donna hugh wants to test her 8,000 employees. >> frankly, if you know that most of your employees are tested positive for the immunity, you may prioritize how that person works, right. >> reporter: she hopes the program will help her figure out how best to deploy them. >> so, if you have a positive case in your community where there is a resident that has covid, it may make sense for that immunity or, you know, the person who tested positive to be doing more of the interaction. >> reporter: and quest chief medical officer, dr. jay told us, the tests are useful. >> once we identify a person who has a positive antibody test and we've determined that they are not currently infected with the virus, we now know that that person is very unlikely to bring the virus with them into the workplace. >> reporter: quest is also now

offering antibody tests on demand to consumers on its website for $119 plus a $10 service fee. in marketing emails like this one, the company calls the test an immune response blood test, and says, understanding this gives you insight on whether it's right to return to work, school and activity. do you agree with that statement? >> i don't agree with that statement. >> reporter: he's michael osterholm who heads the university of minnesota infectious disease research and policy. >> many of the individuals who end up being test positive are going to be false positive, meaning that they don't really have the antibody. even if you do have it, we don't know what it means yet. and so i think it's very premature to market these tests like this, and i think that it's almost preying on the vulnerability of the public today. >> reporter: preying on them, you say, because -- >> i did, yeah, i think selling antibody tests to the general >>epter: butuest dnt is wrong.

s agrees. uses are clinically validated and appropriate. so how would you respond to somebody who says, a lucrative business opportunity here? >> yeah, i mean, we've been responding to this pandemic in a way which is, i think, quite selfless and is motivated by making a difference for the pandemic. >> reporter: i'm just wondering if people might get the wrong impression. when you say it's going to give you insight on whether you can return. >> yeah, i think it absolutely can -- does provide insight to an individual whether they're likely to bring a virus into the workplace or not. i think we need to be clear that thisng inot used to determine who goes back and who does not go back to work. so to your point, if there is any language there that appears to indicate that, then that's something that we would remedy. >> reporter: regarding that us that it does indicate that ld

the information on testing should be used as part of a ra environment. quest also says that consumers will have physician oversight as part of that process. it says the tests can be helpful for both individuals and employers if they're considered in the proper context. one interesting side note about all of this, we spoke with our medical contributor dr. david agus who told us he does not recommend to his patients that they get immunity -- i should say antibody tests because he can't tell them if they have any immunity. >> anna werner how do your teeth get a dentist-clean feeling?

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it's like two regular tide pods and then even more power. even the largest of loads get clean. it's got to be tide. patrick stuart is back in the captain's chair in the new series star trek picard. here on earth stewart discussed his life and winding career with tony dokoupil. >> yeah. [ bleep ]. beautiful, way to go, nice shot when you're winning than when i'm winning. >> reporter: the first thing you should know is the ping-pong happened before the coronavirus. >> aha! this is match point. >> reporter: what are you trying to communicate? >> i won't say championship point, but match point. >> reporter: and it was sir patrick stewart's idea. what exactly are you trying to convey? >> i'm just trying to convey

there is a little significance about this moment. >> reporter: this one. >> because this may be the last ball we ever play. >> reporter: if you're surprised, well -- [ bleep ]. >> great game. i was thinking about jumping the net. i think that would have been too challenging. >> reporter: i was thinking about throwing the racket. >> thank you. [ laughter ] >> reporter: and then i thought -- >> charles xavier. >> reporter: it turns out the actor behind such sci-fi gentleman exman's xavier. >> i have no idea who i am. >> you're the man who puts me to sleep. >> reporter: and jean-luc picard captain of the enterprise is much more down to earth than his title or his accent might imply. >> it's his grandfather, romulan. and for that reason his career now stands in ruins. >> reporter: what's also unexpected is stewart's celebrated return.

in star trek picard a big boot of the franchise now streaming on cbs all access part of viacom. >> i don't want the game to end. >> reporter: stewart is an executive producer. did you always want to contribute as an executive producer? >> no, i was too naive, too new at the game of serious television. and i had so much work to do. i mean, i really -- the first couple of years, i didn't have a life or social life at all. >> i -- don't -- love you! >> reporter: we worked five-day week, 14, 15 hour days especially toward the end of the week. and saturday morning i would allow myself a little sleep-in, then i would do my own laundry which, by the way, i still do. it's an obsession with me. >> reporter: long before he was knighted by the queen of england

or hailed by a nation of trekki [ cheers and applause ] >> reporter: -- pea stew as they call him, his father was a war hero who brought some of the battle home. >> he was unfortunately a weekend alcoholic which meant weekends were often difficult, troubling. >> reporter: to escape the chaos and the noise, he would read in the only place he could be alone, the family outhouse. >> the radio is on all the time. all we had was a radio. i didn't have a television till i was 24. didn't see television at all. so being part of a very successful television show feels good. >> reporter: i thought you were going to say improbable. >> profoundly improbable, yeah. what happened was completely unexpected. >> reporter: stewart's next

refuge became the theater. and at 26, he was hired by the royal shakespeare company, spending the next two decades with the bard. before a chance meeting led to his casting on "star trek." >> for all our knowledge and advances, we are just as mortal as you are. >> reporter: at first stewart struggled at television as he explained over a post ping-pong beer with his wife sunny izele. >> i lectured some of the cast members about some of the fooling around on the set and the games they were playing and the singing and the jokes and the ruining shots. [ laughter ] >> cut, please. >> itribl.it w denise crosby who me, come on, we've got to have some fun. i said, we are not here to have fun. i said that, and that became legendary quote. as i progressively got sillier

and sillier as the series bore on. >> well done. can you give us a -- >> lord. >> reporter: after seven seasons and four movies, though, he was ready to move on to other roles. >> what must i do? >> reporter: only to discover that some in hollywood struggled to see him as anything but the captain. >> he felt for years that -- i'm putting words in your mouth here, but you felt for years -- >> reporter: that's what writers do all the time. you can feel free to put words in his mouth. >> exactly, he's used to that. that picard was something of an albatross in terms of your creative life. >> that's exactly the word. >> now tell me, commander, what is data? >> for a while, i went through a stage of thinking, is that it? is that all i've got? is that how i shall be identified for the rest of time? >> but you pivoted and you went back to theater. >> well, that was my -- in a way, my escape. >> reporter: he and sunny, a

singer song writer met macbeth. these days the only escape is from the virus. >> i miss work. this is the longest period in my career, which is well over 60 years now, in which i haven't actually been doing what i do, which is performing, acting. >> reporter: but even now he's not completely idle. >> shall i compare thee to a summer's day? >> reporter: from his home in los angeles, he's been sharing a sonnet a day, returning to the first words he read as a boy, the words of shakespeare, that lifted hnto rebefo i have no idea what i was saying or what it meant, but there was something in the language. >> so long as men can breathe and eyes can see, so

the ford motor company says it's come up with a quick and easy way to keep police vehicles safe from the coronavirus. heat them up. kris van cleave has the details. >> reporter: police departments look at their vehicles kind of like a shared resource. they run the cars around the clock. they're used by multiple officers. and that became a point of concern for the n.y.p.d. during the peak of the pandemic there as they had nearly 20% of their uniformedffic out sick. n.y.p.d. asked ford for help. first responders across the country racing to emergencies now have the added danger of potential exposure to coronavirus. untold thousands of emergency workers have gotten sick. paramedic robert epperson swshal outside detroit. >> we're putting supplies on and using them on day.

>> reporter: in new york city the n.y.p.d. has lost 43 employees, including six police officers to the virus that has sickened more than 5700 of its staff. >> we have an invisible enemy here. >> reporter: n.y.p.d. deputy commissioner martinez over sees the 10,000 vehicles. 835% are used around the clock daily by multiple officers. >> with so many people going in and out as well as in some cases we even have perpetrators going in and out of the vehicles, that definitely gave us a challenge to figure out the frequency of cleaning vehicles and how to clean vehicles. >> reporter: the chicago police department has reported at least 538 coronavirus infections. this is how it disinfects vehicles after a case is reported. cleaning supplies remain limited and wiping down the cars between shifts can miss things, prompting the n.y.p.d. to ask ford if there is a way for the cruisers to disinfect themselves. >> we learned how the virus degrades with temperature and time. >> reporter: within 40 days, ford engineers working with researchers at ohio state university found a way to kill coronavirus by essentially

baking it. >> 133 degrees for 15 minutes inside the car can provide up to a 99% reduction in virus concenation. >> reporter: using heat from the ca cmate control syste site. >> you can feel hot air start to come out of the car. >> reporter: that first heats up the vehicle and after those 15 minutes of temperatures hotter than death valley, the a.c. kicks on to cool it back down. >> we have to keep our department strong so they're able to do what they need to do to keep the city safe. this would be a great tool to minimize the transmission of the disease within the vehicle. >> reporter: this heat mode if you willill is a software updat that's ale now. the n.y.p.d. hopes to be using it as part of its cleaning protocols as soon as this week. the cycle from heat up to cool down can be done in as little as 45 minutes to an hour. >> and that's the overnight news for this friday. for some of you, the news continues. for others, check back later for "cbs this morning". and follow us online any time at cbsnews.com.

reporting from the nation' capital, 'm chip reid. ♪ ♪ captioning sponsored by cbs >> o'donnell: tonight, burning anger. the national guard called in to minneapolis tonight after protests turn violent, sparked by the death of george floyd while in police custody. nationwide, people have taken to the streets. how his death has reignited a national conversation about race in america. we are on the ground with the latest details in the investigation. stopping the spread: why some medical experts say six feet is simply not enough. and tonight, a major drug maker reveals what is still desperately needed in order to deke billions of vaccine doses. more job losses: one in four working americans have now filed for unemployment. we speak to a single mother of two on how she's making ends meet. trump versus twitter: angry that