policy. you hope you never have to use it. >> this is the tracking office in north dakota. he uses location tracking technology to build a digital log of a person's movement which they can share with investigators if they choose. >> we knew that they see an app on gps, they were going to be a certain percent of the population that was going to be very leery of that. >> for the people who are skeptical, what is your promise to the residents of north dakota about how you'll protect who they are and where they go? >> the privacy pledge, tony, is very straightforward. and that is that no personal data >> reporter: since the launch of care 19 in early april fewer than 5% of north dakota residents have rs and

tech companies hvesting dat >>is s critical in the suulent ofhese apps. >> google and apple say they may have a solution. they have tracking technology on. users can notify owners of other phones in close contact. all without giving the data to governments or companies. north dakota will soon release a second app and incorporate this technology. what makes you as a reppive of the governmenf comfortable with pri gl andetngng t going to mop for the movement of your residents? >> that's a very good question. there is a perception that maybe those companies are not to be trusted, but we have worked so

closely with them, tony, we understand how they're using th done works if people decide to use it. while some americans are resigned to being tracked they' probably always tracking your information and where we're going anytime, so another app won't make a difference. >> others are prone to resist. >> i think this particular app is a gateway to a chip you want to put in my arm and i'm not a conspiracy person. >> a government chip. >> right. yeah. i think it's more of a security issue beyond covid. >> the question is how many are in the middle and kwl people like vern dush. >> we understand their hesitancy

or their reluctance to download the app but at times like this when lives are at stake, when you're ability to open the economy is at stake, sis. it p o our personal responsibility to be able to lemplg those technology tools the best we can. hopefully we'l to use them. >> tony dokoupil reporting. >> the country is on a footing. a hundred,000 health workers are on the streets. ramy inocencio has the story. >> reporter: tonight, parts of beijing under lockdown again. officials there calling it war-time mode. schools closed, transport in and out of the city shut down. there are now more than 100

coronavirus cases linked to market. authorities moved quickly, putting barricades around the area. health officials are launching a massive testing campaign targeting workers, visitors and anyone they came contact atn top of the 90 lef arby. lo cy of more that 22 million. massive housing blocks with food dlifies going no further that perimeter roadblocks. i'd be lying if i said i wasn't worried said this woman. there aren't as many people on the subway. it's the unprecedented lockdown of wuhan in central china in january where an estimated 35 million people were impacted

after the first coronavirus was found at a food market. they say the next few days will be critical in understanding how the virus spreads. >> it will also help understand what effect in wuhan environment in the environment may be survival for along time. >> beijing officials are barring residents from leaving the capital. flights are extremely limited and health checks are the norm at airports and railway stations. and it isn't just heaping in china's capital. the "cbs overnight news" will be right back. did you know that feeling sluggish or weighed down

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during the potato famine in 1800. michelle miller has the story. >> in ireland there's a special bopped with native americans that has stood the test of time. it all potato familiar ip. a million mostly poor irish men and women starved to death when a fungus destroyed the potato drop. the choctaw tribe came to their aid. many of the tribe had died when 50,000 people were driven off their ancestral lands on what was nope as the trail of tears. >> get them that money. >> reporter: in 1847 gary baton's ancestors came up with $170. >> today's money probably a little more than $5,000 but it was more than just the giving. o tin s cared for you in those desperate

times. >> reporter: why do you think the choctaw was so motivated to get it when you're in america, they were dealt an awful blow themselves. kork, allen, kip dr spirits was created to kmep rate the treasured trip. gary bat op the now choctaw chief was invited to the unveiling in 2017 and still marvels at how the irish people appreciate something that happened so long ago. . >> it's taught in our history books. every year i receive post cards from the students thanking the choctaw nation for what they did back there in the potato familiar ip. >> lots of people gave money and money came from calcutta and other places. >> reporter: professor patrick

curwan has made writing about the tribes his life's work. then fast forward to coronavirus this year when a navajo nation was impacted. ethel branch sought help. this was your idea? >> i knew people would be hit hard for various reas fixed inc not adequate funding, we have no running water. others have no electricity. i went ahead and started the go fund me. >> reporter: in ireland patrick heard about the appeal. what moved you to donate? >> this idea of finding es have been like paying it forward. >> reporter: and countless irish men and women saw this as a chance to pay back for something they never forget. >> when i started the fund the

goal was set of $50,000. i thought this is wildly optimistic, i don't think w $10,000 and now to be approaching $5 million, it's amazing. >> reporter: the hopi nations in utah, arizona and new mexico organized to distribute food and other essentials and they're thanking the irish. so here we are in 2020. we're in the middle of the pap democratic and lo and behold, ireland comes calling to the navajo nation. >> you cannot teach things like that. i mean, that's the things that surpass h beings. >> reporter: his goa t get two weeks of groceries to some 200,000 people is still hard to athis chief but made easier thanks to an enduring friendship. >> we're going to be back in the

future as well. our children, our grandchildren, who knows ow many

jieshs there's good news for parents with small children. childcare facilities are starting to reopen across the country. michael george looks at the

story. >> there you go. >> reporter: laura and brian have been working from their newble home and are ready to send their youngest child back toar rlt madison is ready, too. >> she misses her rue teen, the schedule and activities and the people. she's a social kid. >> reporter: when madison returns next week she'll be dropped off at the front door, get daily temperature checks and their parents won't be allowed in the building. >> we trust the owner, we trust >> she's also opened more classrooms to keep kids in smaller groups and remove toys that are hard to clean. >> i think there's a lot of fear right now of the unknown. >> reporter: the up creased safety measures are a visible reminder these are not normal times. childcare professionals

appointments out their top priority is the kids. >> our fear of covid has to be secondary to taking care of the kids. >> reporter: she owns imaginatioonnac her facility open since early may with similar protocol. this father waited to accepted his children back. >> we figured if we waited two weeks and nobody's calling out sick, the kids aren't getting sick, we have a pretty good idea it's safe for our kid to . >> reporte>> reporter: they say communication with their childcare providers has been key. >> and that's the "cbs overnight news" for some of you have the news continues. for others check back later on this morning and rt the nati'm cid.

captioning sponsored by cbs ♪ >> o'donnell: tonight, a promising breakthrough-- the first treatment shown to reduce coronavirus deaths. researchers call a common anti- inflammatory drug a game changer in the fight against covid-19. >> what we saw was really quite remarkable.>> o'dnell: hitting e drivi cities to delay the next phase of reopening. previous use of force: new details tonight about the officer who shot rayshard brooks. murder charges: an air force sergeant is accused of killing a federal officer and ambushing sheriff's deputies. what prosecutors are saying about his link to boogaloo, the