i recently spoke with propublica health reporter caroline chen help explain some of the ion. line, thanks so much for joining us. there's been such an intense focus on antibody tests both here in the u.s. and ovet eas, but thout controversy. and some of the methodologies that are used in the studies have been questioned as well for bias in sort of other elements that can, you know, sort of sway results. so, how reliable are these tests and how dangerous is a false positive? >> yeah. so, there really questions you ask right there. so, let me break this down a little bit here. so, antibody studies that are now being conducted nationwide at state levels tyd even at co levels are really, really important because they can actually answer many question but the most common type of study that's being done right now is to ask this very basic question, which is: what percentof this population has been infected? and what they are d'rng is that th supposed to look at a random sample of a giv population-- let's say, in this specific county this specific state. and by taking a random select

"pro-publica's" caroline chen took a deep dive into contact tracing and joined me recently to discuss what may be coming. caroline, let's talk out contact tracing. this is not that new an idea, but it's very different in how much we need it today. >> yeah, absolutely. we have been actually using contact tracing for decades and decades for many different types of diseases, including s.t.d.s like h.i.v. and syphilis and for diseases like tuberculosis. but the big challenge right now is just how big the coronavirus outbreak is. so, what the u.s. needs right now is massive numbers of people to do contact tracing. >> sreenivasan: and is this a job where they're going to have to go door to door because people are concerned that, hey, i don't want to actually be a contact tracer if i'm going to have to go meet people who are sick? >> no. so, this can all be done over the phone. and, in fact, these can be remote jobs. so a lot of the states that are hiring people right now, this is a job that you can do from home. >> sreenivasan: that's great. now, there's also been app or what does a contact

with our board secretary and including warren lamb, sean cunningham, art wong, jack chen, and tom of sfgovtv. caroline, and everybody else who put together all of the hard work to make the meeting happen so we knows are not unusual times so we appreciate that and at this point i will open up to accommodate public comment at this moment and in response to an accommodation request from the public. >> all right s if the informed rater could please open the phone line right now, this is an opportunity for members with disabilities to address general matters not on today's agenda. anyone else who wishes to address the board under general public comment that topic will come up will come up later in the meeting. this is for a computation and request. mr. moderator, let us know when someone is on the line. >> bless one then zero. >> please started with your name. >> madam chair, we will ask the commenter to give their name and their two minutes will start when the person starts talking. your time starts when start talking. >> my name is zachary. i'm really concerned at this last meeting it was supposed to tak

with our board secretary and including warren lamb, sean cunningham, art wong, jack chen, and tom of sfgovtv. caroline, and everybody else who put together all of the hard work to make the meeting happen so we knows are not unusual times so we appreciate that and at this point i will open up to accommodate public comment at this moment and in response to an accommodation request from the public. >> all right s if the informed rater could please open the phone line right now, this is an opportunity for members with disabilities to address general matters not on today's agenda. anyone else who wishes to address the board under general public comment that topic will come up will come up later in the meeting. this is for a computation and request. mr. moderator, let us know when someone is on the line. >> bless one then zero. >> please started with your name. >> madam chair, we will ask the commenter to give their name and their two minutes will start when the person starts talking. your time starts when start talking. >> my name is zachary. i'm really concerned at this last meeting it was supposed to tak

with our board secretary and including warren lamb, sean cunningham, art wong, jack chen, and tom of sfgovtv. caroline, and everybody else who put together all of the hard work to make the meeting happen so we knows are not unusual times so we appreciate that and at this point i will open up to accommodate public comment at this moment and in response to an accommodation request from the public. >> all right s if the informed rater could please open the phone line right now, this is an opportunity for members with disabilities to address general matters not on today's agenda. anyone else who wishes to address the board under general public comment that topic will come up will come up later in the meeting. this is for a computation and request. mr. moderator, let us know when someone is on the line. >> bless one then zero. >> please started with your name. >> madam chair, we will ask the commenter to give their name and their two minutes will start when the person starts talking. your time starts when start talking. >> my name is zachary. i'm really concerned at this last meeting it was supposed to tak