new york city's two international airports. officials here are concerned this could become an epicenter for coronavirus, but say they are prepared. >> what we're doing right now is we're trying to screen for anybody that would be at a high risk. >> reporter: dr. teresa amato is director of emergency medicine. >> it's really important to be overscreening in some sense. we'd rather isolate more patients than less. >> reporter: there have been no suspected coronavirus cases ,at ncni immediately given a mask is isolated. >> this is where a patient would difference between a negative r pressure room and a regular room? >> our regular rooms just have regular air circulation. here we actually have -- the air is actually pulled out of the room and through a filter. >> reporter: the emergency room at lij forest hills has on average 60 beds. coronavirus fears are fueling concerns rooms could be easily overwhelmed. >> they're already looking at how could we either open up something outside and put up a

tent, could we use a larger building that's not being utilized right now. >> reporter: it sounds like the message that you're sending is >>on't want to completely sugarcoat it that don't worry at all, but i think at the end of the day, this is what we do. we're going to be cautious in the sense we keep preparing, but i don't think anybody should be panicking. >> reporter: patients with mild symptoms will be sent home with a face mask and be asked to self-quarantine at their home to limit the spread of the virus. >> dr. tara narula there reporting. and if you want a box of face masks, you'll likely have trouble finding one. you see, the world health organization says people are snapping up masks, hand sanitizers and otherprentative . mola lenghi went to a production facility in georgia struggling right now tohde eportehe fore at medicom's augusta, georgia factory is buzzing. they're working nearly around the clock to fill demand. >> we're really busy and even

been doing some overtime. we've been working on the weekends try to make sure we get all of our customers what they need. >> reporter: protective masks of every kind are flying off store shelves around the country, as fears of a spreading coronavirus have catapulted sales of protective medical supplies. >> trying to h together. >> reporter: guillaume labrador is the chief operating officer of medicom. what sort of numbers in terms of increase you seen here at your plants? >> we can't cope with the and in. the demand is multiplied by five, ten. it's just out of any proportion that we've seen in the past. >> reporter: this factory is moving as briskly as it can, but it might not be fast enough to keep up with the nervous public's appetite. >> we don'tecnd t the general public. >> reporter: denver health chief medical officer and infectious disease researcher dr. connie

price says the dwindling mask supply is worrisome. >> i am concerned about our hospital facilities and the ability to deliver care not only for coronavirus but for other routine illnesses. >> reporter: a standard mask is effective at rejecting airborne droplets or other fluids. its loose fit also makes it easier for droplets to enter around the edge of the mask.n-9 tight custom fitted readily to wearer. >> there is no role for these masks in the community. >> reporter: despite pleas from public health officials -- >> for everyday new yorker, there is no need to use a mask. >> reporter: panic buying of surgical masks seems to continue. and this struggle to meet the demand is not specific to your company. it's industry-wid >> it's all over the industry

all over the countries. we have a factory in france where we're facing exactly the same challenge. >> reporter: mola lenghi, augusta, georgia. >> the "cbs overnight news" will be right back. feeling sluggish or weighed down

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in light l iterally for the birds. >> reporter: in their hedge rows and hayfields of deerfield, massachusetts, -- >> i'm hearing a lot of birds right now. >> reporter: david allen sibley can't help talki he cmunicate with each other through sight and sound. >> reporter: kind of like we do? >> yeah, the same way we do. so everything they do is accessible to us. >> reporter: and the driving force of david sibley's life is to make birds accessible to us, sketching and painting

everything from songbirds and swallows to penguins and puffins. >> this is the tufted puffin that's found in the pacific. and this is called rhinoceros oclet. rhinoceros horn os, ng, each feather carefully drafted. you never said to yourself i don't care if i ever draw another chickadee again? >> no, i didn't. it's sort of like one foot in front of the other. just a faith in the process, like knitting or something elsewhere it becomes sort of routine. >> reporter: it has been the routine with a goal, to write and illustrate detailed field guides covering more than 800 species to help bird watchers properly identify what they are seeing. that just lik a robin. that a robin? >> no. that's a black-headed grossbeak. >> oh, no.

>> reporter: first published in 2,000. >> each species are arranged in a coluthe bottom, the brightest at the top. >> reporter: the sibley guide to birds has sold more than two million copies, and he has been called the most important illustrator of birds since john james audubon or roger tory peterson. >> previous field guides had fewer illustrations. so they left out a lot. different ages, different subspecies. i wanted to illustrate every species in flight, because that's what birders see. >> just starting to build it right up there. >> reporter: now 57, david sibley learned to love birds by going out on hikes with his father, fred, a noted ornithologist at yale. >> as soon as the field guide came out or was in the works, yes, i became much less well-known. >> reporter: y peoplf norerica. >> i guess it's our family itnu,

but milyess. >> reporter: david started drawing birds at age 8, and his parents didn't worry for an instant w their son dropped out of cornell to pursue his passion and study birds in the field. his reason, very valid, that cornell has a set track that you follow in your major, and that didn't leave time for looking at birds or painting birds. >> reporter: david sibley would spend 14 years driving around the country, observing and sketching. always utterly fascinated by birds. >> i really like the shapes, the proportions, the smooth lines, each species so perfectly adapted to its own lifestyle rofrz along the way, he met his wife. do you think you would have been happy with someone who wasn't as into birds as you are? >> no. i don't see through could have

worked. >> here comes maybe a the little dot moving across the field? >> reporter: yes, david sibley's wife, joan walsh, is an ornithologist too. >> take it down and try and see movement. >> here comes one right across. >> oh, indigo bunting. >> oh, sweet! >> reporter: in 1998, it pushed him to ful a field guide. >> i said, you know, you can keep talking about it or you with just say you're doing it. and so he did. and then he stood up and he faked up. >> reporter: is that true? david, did you really fake? >> we were in a hot tub. >> reporter: he would spend years working on the guide. but when publishers saw it, they went wild. >> to walk into a room with a publisher and have them say yes, we'll do it in five minutes was i guess a very unusual

experience. >> reporter: in fact, sibley's first volume hit "the new york times" best-seller list. he followed it up with a series of other popular books about birds. and whether it's in his art or the delight that comes when h watches birds at his backyard feeder -- >> a chipping sparrow, two chipping sparrows now. >> reporter: david sibley says he's still learning about his favorite topic. what are some of the questions you're trying to answer? >> can birds smell? >> reporter: can they? >> oh, yeah, yeah. yeah, they can sll very ll. where dds sleep. p? >>yance while they sleep. >> reporter: are you just making this up? >> no, it's all -- it's all true. >> reporter: so stay tuned. his next book is called "what it's like to be a bird." and

tof ndyman, who will do much more than just hang your shades. steve hartman found this story "on the road". >> reporter: there is a super hero in pittsburgh, a mild mannered guy in a funny looking van, who goes around town striking happiness in the hearts of hundreds. >> if i can go out and h eat i neighbors, that's sweet. >> reporter: 29-year-old john potter is a handyman by trade, but he doesn't charge for most of what he does. >> do you mind starting it up? >> reporter: whether it's a pizza delivery guy with no way to deliver, or an electric scooter guy with no way to scoot. john is always to the rescue. >> ctually, let's throw it in the back. >> just like a saint pretty much. he is willing to help anybody with whatever sized problem you have. >> it might take me a day, honestly. >> reporter: john finds his rescues on reddit, people who have a window broken out or can't afford the roof they need, or maybe just want help moving. john does it all, for total strangers. he b

swit. >> reporter: he started doing a get a ride to the battered women's shelter or can i have money for the bus. >> reporter: and your answer? >> i said no immediately. >> reporter: it was a answer h >> it haunted me almost right from the start. >> reporter: john vowed from that moment to say yes, no matter what they needed. and so far he has done about a thousand good deeds. has he ever been scammed? he doesn't know, and quite frankly, he doesn't care. >> i give because i want to give, and that's just for me. and if anything, i go to bed and i feel happy. >> yeah, come on in. >> reporter: happy, but not wealthy. >> the check okay? >> reporter: john typically has just a few hundred dollars to his name. and yet he continues to give, sometimes a lot more than just handyman service. >> would you mindft anything. >> reporter: that's right. john has now moved on to vital

organs. last month, michael moore, another total stranger, got john's kidney. this is not fixing someone's scooter. >> no. it's an unbelievable act of kindness. >> reporter: michael says the best gift ever, but not onl >> because you find out there are other people in the world that care. and that's a strong message. >> reporter: a message that john says is only going to get louder. >> i really want to give a piece of my liver. >> reporter: you joking? >> no. if the grave is home plate, i want to come sliding into it at this point, bare minimum organs reporr: addicted to helping steve a thatshe "overnight news" for this thursday.

it's thursday, march 5th, 2020, this is the "cbs morning news." >> emergency in california. authorities go into crisis mode after the state reports its first coronavirus death. this as the death toll climbs in washington state. what congress is doing to fight the virus. biden versus bernie. the race for the democratic presidential nomination seems to be boiling down to two men who are focusing their attacks on each other ahead of next week's contests. and stories of survival and courage in the aftermath of the deadly tornado outbreak in tennessee. aftermath of the captioning funded by cbs