close Ebola outbreak in Africa grows Dr. Marc Siegel discusses growing concerns over an Ebola outbreak in Africa, including an American doctor testing positive. The segment also covers challenges of Hantavirus quarantine. NEW You can now listen to Fox News articles! A parasitic tapeworm known as Echinococcus multilocularis — often called the "fox tapeworm" — has been detected for the first time in West Coast wildlife.  University of Washington researchers discovered the tapeworm, which can