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tv   ABC 7 News  ABC  April 3, 2020 3:00pm-3:30pm PDT

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on the street and they primarily have it. >> it's primarily to stop you from infecting people around you. that's why surgeons wear the masks. during surgery, they don't want something dripping out of their nose so they cover up to make sure something isn't coming out. it does help baaoth sides. it helps you the wearer. here is what we strongly suspect on modeling. if we could get 80% of people in the community, it would actually stop the spread of virus in its tracks. we have actually seen that in a number of countries. >> i get in the past couple of weeks we heard more about the hang time and travel time of the virus particles, but even
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without that, why do you suppose for the longest time officials were saying you don't need that unless you're sick. was that simply to prevent a shortage? >> yeah. i think there's a lack of understanding in the west that these cloth masks are something yu can make, and people do make. in fact, the entirety of the czech republic made themselves masks in a period of just three days. this is not a complex thing. it can and has been done in the west and many parts of east asia it's totally standard. so the folks that were making these policies used the word mask. what they had in their head was n95 respirator that you don't need. those are specially fitted things, trained to fit, a seal when you're doing special surgical procedures, aerosol procedures, which you're not doing when you go out shopping. >> so jeremy, sounds like it might be better to call it face
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coverings. >> that's exactly how to think of it. president trump mentioned maybe using a scarf. that would work fine. the bandana would work fine. the one i made for myself, my mother-in-law made, a bit of t-shirt fabric i cut up. in fact, one of the interesting things here, i was talking to one of the scientists working on these breaking papers, they told me that actually covering your nose is not only unnecessary but undesirable because it can leave a little gap. so if you sneeze, for example, then there's actually a closer cover. so really the message here the your skin, anything coming towards your skin hits you and infects you, there's no barrier to protect others from you. so just get anything over the mouth just like when you sneeze. get an elbow out there, hand out there. we just saw a bus driver who
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died because somebody failed to cover up. what if they were wearing a mask. >> jeremy, i want to get to viewer questions posted on facebook. i'm hearing -- stephanie has a good one. do you think a mask is needed for my 3-year-old. if so, should i make him his own? >> my 4-year-old had one, which my mother-in-law was kind enough to make. she would not be seen out with us without it. she's like why do you guys have nice masks and i don't. in some countries, such as the czech republic, they have laws that require now masks to be used when out in public. in those cases, czech republic case, they say if you're two years old or younger, then you don't need to wear one of these masks. so i would say wear one if they can. you don't want to stress them out too much. we have no reason to believe they can't pass on the
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infection. >> jessica gonzalez rudolph wants to know what's the best type of macsk to use? are there washable ones? mine is washable. what do you think? >> we have created a website, masks i have a video of the mask i made, this is the version made by my mother-in-law. one thing i want to point out, it's got the two layers of cotton, which cambridge university scientists say works really well. chinese scientists found the magic material to put in the middle is this, a kitchen towel. >> what is that? >> if you've got two layers of cotton and a piece of kitchen towel, then you're golden. >> that kind of covers this next question, jasmine flores said i saw a video about a mask, spraying into them and going right through. if you cough and it goes
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through, what do you recommend? she was asking about double layering. >> make sure there's no holes in it. when you're done, just pop it in soapy water. what we know about soap is it actually destroys the lipid barrier that protects the virus. take it off, if you've got the insert of the kitchen towel, throw that away, then pop the cotton part in preferably hand wash but machine wash, too. >> you can see me, right. i want to make sure i'm wearing it right. are you saying just under the nose. >> that kind of mask is designed to go over the nose so you might as well put it over the nose. here is the thing. it really doesn't matter too much. research shows 99% of ejected droplets are caught by a layer of fabric as long as it's in front of your mouth. the beggs mask is the one you wear. >> to remove don't pull it here
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or here from around my back but from the back, around my ears. >> exactly. >> let's say there's stuff on the front. does that mean i don't want to contact the front? i want to be very careful not to touch it? >> i wouldn't say very careful. we now know contact is a particularly common form of transmission and also cloth is something viruses don't really like. they tend to go into it anyway. you may as well try not to touch it. there's no particular reason to, pop it in the soapy water. just like your glasses or even your clothes. you know, just wash them. it's going to be no problem. >> so what if you don't have a cloth one, or let's just say you're using a paper one. can you and how do you disinfect one of those. >> as far as we know, there's no recommended or research-based approaches to that. i've been trying to answer that question and i haven't found a good answer. stanford university scientists for surgical masks -- actually,
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no, these were n95s. they say 70 degrees centigrade oven for half an hour to get rid of the virus. oppose paper, i don't know if it's going to degrade the paper. grab yourself a bedsheet, kitchen towel, t-shirt you don't need, cut it up or bandana. i'm sure we've all got a piece of cloth we can do without. >> all right, jeremy, we certainly do. hang on. don't go away. we're going to take a short break on air but we're going to take our conversation to facebook and our live streams. so short break and we'll be back on air as well. join the conversation on for most patients that have sensitivity it's very common to have a gum health concern as well. but if you have sensitive teeth, you probably aren't going to brush your teeth as effectivity because it causes pain. and if you see blood you should do something about it. you know, i talk to dentists every day and they're able to recommend one product, new sensodyne sensitivity & gum, to address both conditions the other, the patient's mouths is never going to be where it needs to be. it's really good dentistry
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and talk to your eczema specialist about dupixent. seconds and we'll continue the conversation with jeremy howard from the university of san francisco. and we're back with jeremy howar howard. the question i'm going to ask, i'm going to pose it here because i want people to know. do you have any hard data that would suggest when you have a
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critical mass wearing these scarves is effective to tamp down the spread. >> i have a couple of interesting examples of this. perhaps the best thing we can do as data scientists is to look at two time periods of the same country. try and find two time periods but nothing much changes. you can't be perfect. one interesting thing is look at south korea. they have a culture of mask wearing but mainly only when they have symptoms. we now know it's not the primary time they need it. also, the country ran out of masks. people were not able to get masks. during that time, the number of cases in south korea was closely tracking italy. we know how awful things have gotten in italy. then in late february, the government stepped in and they guaranteed a supply of masks and set up a system where everybody could go and get their masks on a particular day of week. after that time, italy and south korea diverged to the point south korea, the number of cases is decreasing every day. so there's been a few examples like that. the czech republic and austria
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is another great one. actually next tore neighbors. czech republic did macsks for al well before austria. they were tracking each other, now czech republic has half the cases of austria. >> another success story. all right, jeremy. jessica has a question, are the masks you buy at walgreens or walmart reusable? is there anything you can do to make them reusable? >> check to see what they are made of. if they are made of the same kind of fabrics you would wash normally, then absolutely. if they are made of paper or cardboard then no. so the surgical masks generally often have a layer of paper, so that's why they are pretty tricky to reuse. so as long as you're dealing with just normal kind of materials you make clothes out of, they will wash just fine. >> let's say you don't have one and we certainly don't recommend people go out and try to procure n95 masks because we know those
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need to be saved for health care workers. let's say you have one left over from the wildfire season. could you reuse that and would it be safe? >> you could. the better thing to do would be to donate it. i hope what will happen as the mask thing takes off, it will get to the next few days, weeks, and you go to the shops and you see somebody not wearing a mask, that's going to be considered an anti-social behavior. that's the one person not trying to protect those around them. i feel about somebody in an n95 mask. we know they are not necessary to stop the transmission, so why not give that away to somebody doing hospital procedures that needs them and use a cloth mask for yourself. >> all right. john says i have copd so wearing a cloth mask makes it tough for me to breathe. smoo i still wear one when i go to the store.
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>> i don't have copd, but maybe you could wear something thin, a bit of tissue paper. or something else you can do is a plastic barrier. hong kong consumer council has an approach on our website that involves getting a plastic file folder that's see-through and attaching it. that would not stop the ability to breathe at all but would stop your droplets from coming out. >> is that a potential solution, too, for folks who might be exercising outside and don't want inhibited breathing? >> for exercising this is probably not a big deal unless you're exercising in a pretty busy place. we actually know this virus -- the infection happens when you're around it for a while, so if you're sitting next to somebody on the train or something like that. if you pass by -- >> jogging. >> 6 feet away. you're outside, there's wind, you know, in places in asia where they have a history of respiratory pandemics, the general approach they use, they
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don't wear masks walking around in neighborhoods, they put it on in shops, public transport, thanks like this. >> good advice, jeremy howard. thanks so much for your time today. if folks want more information including how to make your own, go to your website, good to see you. take care. >> you, too. >> we're going to take a short break on air but the
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i like it. all right. welcome back. hi there, when the world now suddenly shifted to working, learning, playing and living on zoom, many people are wondering how to use the video conferencing tool both in terms of features and security. we know you have questions, that's why we have zoom product manager esther yoon you see here today. hi, esther. >> hi, kristen, thanks for having me. >> absolutely. thanks for making the time. let's start with best ways to protect yourself.
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the fbi just warned of an increase in zoom bombing, that's when unauthorized users get into zoom meetings. it's happened in classrooms where kids were exposed to inappropriate content. why are these incidents happening? >> that's a great thing to bring up. just like for your phone number or private e-mail address, you don't want to put it out in the public. there's kind of best practices you want to bring into how you video conference with colleagues, friends, and family. zoom actually has a lot of great second layer features for securing your meetings so you can prevent exactly this. we have features such as requiring a password before anyone can join. we have features such as waiting rooms, which means before anyone can join your meeting, you're going to have to actually admit them in. we even have like a locked meeting capability, so once all your attendees are in your meeting, you can lock it and no one else can come in. >> all right.
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and go ahead, let's show some of those features you're talking about. for example, the waiting room. i set up a meeting with my friends and kind of did the same thing myself. it's manageable when you have a small group. but what if you have like hundreds of people. you can't sit there as the host and admit them all. one by one it's very time consuming. mute them or unmute them. >> yeah, absolutely. in the context of a meeting, let's talk about small meetings first. when you go to schedule your meeting, there are lots of really great features. for example, you can require the password just like that, click a ceck box and enable waiting room. but when you're talking about a large meeting, we have a solution called zoom video webinar. this is a different product because it's ideal for broadcasting. attendees will be joined in. view only attendees.
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their video is off, audio is off and you have full control how they access chat. if you're running a large meeting, i always recommend video webinar. you can have panelists with video controls but general attendee list will be totally separated out. you're going to basically prevent a lot of potential disruption. >> all right. but you can't absoluely prevent the sharing of a meeting link or password, that's just impossible. >> yeah. so let's say someone gets ahold of your meeting id, your password, that's where features like waiting room come in very handy, because you can see people in this waiting room state. if you don't recognize the name, if you think they will be disruptive, before they even come into your meeting, you can admit them or remove them and kick them out all together. >> my son's teacher actually had to do that because apparently one of the students in the classroom shared the meeting and password with someone but then the teacher saw that and kicked
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them out. i want to ask you, though, there have been concerns zoom was sharing user data with facebook without users' knowledge. have you guys taken steps to address that? >> absolutely. we've actually as of friday, we have, you know, removed the facebook sdk, so that's no longer a concern. zoom is doing everything we can so our customers know security and privacy is a top priority. our ceo eric is hosting weekly privacy security updates at 10:00 a.m. pacific time. we're going to -- basically it's all hands on deck to make sure our whole team is prioritizing security and privacy for all our customers. >> is that challenging if you can give me the scope of how quickly you guys grew from, say, december until now? >> yeah. initially if you think about what zoom was designed for, workplace communication. we went from 10 million users in december to 200 million in a
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matter of weeks. so in terms of scaling, it's been an absolutely unprecedented growth that we're experiencing. up, i can't even think of another organization that's grown at that level. so we are expanding new use cases into more of a consumer focused area and we're working with a lot of third party organizations to make sure we have security and privacy pictures and settings in place for those use cases. >> esther, we've got seriously only 30 seconds left and i want to leave with something fun, my favorite feature. you can keep changing your virtual background, right? >> yeah. so my house definitely doesn't look like this. i wish that was my living room. you know, on days where i'm like, i need a little more zen, i like to have my redwoods background. fun story, though, when this whole mandated working from home thing was happening, i was on my
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mother's dining room table, my husband in the background and my dog jumping around and i shut it out with my background. it's a great feature with people who got caught off-guard with mandated working at home. >> i feel zen looking at the woods behind you. esther yoon from zoom, thank you for sharing practices for users to keep their data security and private. we appreciate that. >> thank you. >> all right. we'll keep the conversation going on live streams including
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welcome back. we are now able to bring you even more content now that every histfmt 3:00 that means we get more from our special correspondent dr. patel, part of our coronavirus team of experts. every day he's going to talk directly to you about covid-19 tpic. today's topic is a really hot one. >> on today's covid-19 doctor's note we're talking masks. all week people have been asking
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does the public need to wear a mask or not. while we wait for cdc and white house's final recommendations, the general consensus is when worn by the public, a cloth mask may limit the spread of the virus. but, and i stress this, regardless of what the final recommendations are, medical grade masks like the n95 need to only be worn by frontline health care workers. previously public health experts say masks should only be worn by medical personnel, people with coronavirus symptoms and people taking care of people who are sick. what changed is we're learning more about astochl act spread. there's a possibility you could be contagious and have no symptoms and spread the virus by talking or breathing, thus a cloth mask could act as a barrier and prevent the spread of respiratory droplets and infect others. what kind of mavericks auto should you use. they can show you how to make a mask out of household items like cotton t-shirt, dish towel.
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a couple of things to stress. masks do not at all replace physical distancing or staying at home. this is our most important health tools. number two, you have to keep your masks clean and avoid touching it or touching your face. don't get your hands dirty. number three, we cannot -- cannot let that toilet paper hoarding men tamt run witality . n95s have to be conserved for health care workers in an almost wartime fashion because that's what it is. we're in this together. stay safe and stay home. >> great advice from dr. alok patel. once again you heard from cdc and president trump before we came on that the recommendation is now for americans to cover our faces in public to the extent possible. it is voluntary but they are asking everyone to do it. thanks, on the experimental interactive show, we'll be here at 3:00 p.m. oppose air and live stream answering your questions.
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facebook live, youtube live, and our app. we're tracking questions you want answered and we'll save them for tonight, breaking news as we come on the air. the number of coronavirus deaths in the u.s. now soaring. 1,200 deaths in just 24 hours. new york reporting its biggest single-day jump in deaths. and tonight president trump and his guidance on covering your face in public. sobering images in new york city. body bags taken from hospitals, loaded onto refrigerator trucks. parked outside hospitals across the city. tonight new york's governor ordering the national guard to find ventilators from other facilities in the state and bring them to new york city hospitals in crisis. and a bus driver from


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