. >> doctor offit, thanks for coming back in. i want to go through with you. some of what we're hearing is coming out of these meetings that kennedy is having on the hill. here's john thune top republican in the senate. he said, i think he understands the value and benefit that vaccines play and have played through the years, preventing disease. does kennedy's record reflect that not at all. >> he believes that we have simply traded in infectious diseases for chronic diseases. he thinks that that vaccination and pasteurization have made us unhealthy. he has consistently said that vaccines don't work, that they're unsafe, and that when data show him that he's wrong, like the notion that mmr or measles mumps rubella vaccine causes autism, he simply doesn't believe it because he has a fixed, immutable belief system that he holds with the strength of a religious conviction. he is a virulent anti-vaccine activist. why would we think he would behave any differently with the were he to be the head of health and human services, which in

doctor paul offit is joining us right now. doctor is the director of the vaccine education center at the children's hospital of philadelphia and a key member of the fda vaccine advisory committee. doctor offit, thanks so much for joining us. how concerned should we all be right now about this virus's ability to mutate? well, all viruses mutate. um, the if you look historically, there are 16 different types of influenza virus characterized by this h protein or hemagglutinin. the only types that have ever caused a pandemic are h1, h2, h3, h5. viruses have never caused a pandemic, and this virus has been circulating for at least 20 years in 23 different countries, about 50 cases a year. there's been a thousand cases, and it has not yet shown the ability of being able to be spread from one person to the next. and that's because this virus has never been able to reproduce itself in the nose, throat or windpipe. and still we have no evidence that that's true. i mean, i saw the genetic evidence of this louisiana isolate, but again, t

doctor offit, i always appreciate your expertise in coming on. thank you. really appreciate it. sara. >> all right. right now, teamsters union members are on strike against amazon in several cities. a spokesperson for amazon is calling the entire situation a pr play. cnn's vanessa yurkevich is here tracking all of this. i guess the first question to you is how big of an impact might this make on amazon? and obviously the workers on strike. yeah. >> well, amazon is saying that this will have no impact. the workers on strike, represented by the teamsters are hoping that this makes an impact. >> so you have thousands of amazon drivers on strike this morning at across four states at about seven locations. and essentially the reason that they are on strike this morning is because the teamsters, which represents them, says that amazon has not come to the table to negotiate with them on things like pay and benefits. but the reason that workers are on strike this morning are really personal. take a listen to one worker in queens about why she's on strike this morning sometimes it could

doctor paul offit, thank you for that context. we really appreciate it.ll ahead, secretary of state antony blinken embarks on a new diplomatic push in the middle east after the fall of the assad regime in syria. so can the u.s. work with the rebel group now in control? you're in the cnn newsroom can't fool myself. >> it was the most exciting time in the world. >> his life had extremely joyful moments and some really difficult moments. >> you only come across an artist like luther vandross. >> lifetime. luther. >> never too much new year's day on cnn. >> at fisher investments, we may look like other money managers, but we're different. >> you can't be that different. >> we are. we have a team of specialists, not only in investing, but also in financial and estate planning and more. >> your clients rely on you for all that. >> yes. >> and as a fiduciary, we always put their interests first. >> but you still sell commission based products, right? >> no. we have a simple management fee structured so we do better when our clients do better. >> we're more diffe

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