sheila mcviccer, al jazeera. >>> to shed more light, we are joined by dr.ash, infectious disease clinica in rochester, m minnesota. a 90% fatality rate, how alarming is this? city? >> any time you have an outbreak of ebola or any other hemorrhagic fever, it is concerning. >> what about for healthcare workers out there that may be trying to get a handle on this? do they face a major risk? >> that's a lot of the problem, when people are coming to hospitals with sometimes non-specific kinds of symptoms, it's difficult for the healthcare workers to think about ebola because that's not something people see every day. there is only later on that they find out that these patients are dying rapidly that will they have been exposed and we get these healthcare workers who are secondarily exposed succumbing to the illness. >> we are living in a different cape and age. mass transit is expanding. people have more mobility. how is this changing the major, major diseases like this? >> yeah. when you are think being some of these earlier outbreaks of ebola, they are often

. >> that's america tonight sheila mcviccer. after the break, remembering west one year after the deadly explosion, lessons learned and a reflection on a community that's still trying to >> all this week, trades near the speed of light... >> if you're not trading at those speeds, you're toast! >> billions of dollars at stake, is our economy insecurity now at the mercy of these machines? >> humans aren't able to receive information in that timeframe. >> we're looking at the risks, rewards, and dangers of high frequency trading >> there are no rules or regulations >> all this week on the new expanded real money with ali velshi helping you balance your finances and your life. now an hour, starting at 7 eastern / 4 pacific only on al jazeera america >> the death toll could be much higher than anyone known. >> posing as a buyer... >> ...people ready then... >> mr. president >> who should answer for those people >>> a year ago, the town of west texas experienced a disaster like nothing else in its 122 year history. an explosion of the

. >> that's america tonight sheila mcviccer.fter the break, remembering west one year after the deadly explosion, lessons learned and a reflection on a community that's still trying to rebuild. >> >> these protestors have decided that today they will be arrested >> these people have chased a president from power, they've torn down a state... >> what's clear is that people don't just need protection, they need assistance. [ grunting ] i'm taking off, but, uh, don't worry. i'm gonna leave the tv on for you. and if anything happens, don't forget about the new xfinity my account app. you can troubleshoot technical issues here. if you make an appointment, you can check out the status here. you can pay the bill, too. but don't worry about that right now. okay. how do i look? ♪ thanks. [ male announcer ] troubleshoot, manage appointments, and bill pay from your phone. introducing the xfinity my account app. xfinity watchathon week was the biggest week in televisionhone. history. but just when you thought it was over... what now? with x