FILE - In this Oct. 16, 2014 file photo, Centers for Disease Control and Prevention (CDC) Director Dr. Tom Frieden listens as he testifies on Capitol Hill in Washington. Health workers on the front-line of the Ebola crisis say the need for urgent help isn't letting up, as Congress begins considering the $6.2 billion emergency aid request.   (AP Photo/J. Scott Applewhite, File)

Ebola workers ask Congress for help

Despite reports that the number of infections is slowing in some parts of West Africa, cases still are rising in other areas,