dr angela rasmussen is a virologist at georgetown university's centre for global health science and securityle. welcome to you. thanks very much for being with us. what you make of these new variants being discovered in various parts of the world, is that to be expected? think it is to be expected. so the one thing about viruses that myself and my colleagues know very well is that viruses mutate effectively every time they replicate. so mutation is something that normally occurs with viruses and when you have a virus that is as widespread as this it has more opportunities to mutate and develop mutations and that gives it some sort of competitive advantage. what we should keep in mind is that these competitive advantages and how the virus replicates and how the virus replicates and potentially transmit 20 people doesn't necessarily mean it's going to become more pathogenic or cause more severe disease. how do scientists get ahead of this than if they have no idea where a new variant is going to pop up? well, you in the uk have an excellent no surveillance system so you are ahead of in many re

angela rasmussen where i was born at the hospital in georgetown university thanks to both of you. appreciate it. >>> coming up, d.c. has a deal on stimulus. a closer look at what's in it, who is getting it and how fast the relief is coming and it takes a village to produce a vaccine as you surely know al look at one company that makes one component of it, and the stock is up 50% in 2020. the ceo of avantor will join us with what production has been like now that production sunday way. see you in two minutes this is decision tech. find a stock based on your interests or what's trending. get real-time insights in your customized view of the market. it's smarter trading technology for smarter trading decisions. fidelity. with what production has been in a land not so far away, people are saving hundreds on the most reliable network with xfinity mobile. they can choose from the latest phones or bring their own. and because they get nationwide 5g at no extra cost, they live happily ever after. again! again! your wireless. your rules. your way to stay closer together this holiday season