Restrictions for people coming into the u.s. from west africa. flights from that region will only be allowed to land at the five airports that have enhanced ebola screening. >> the president does believe that that will further protect the american people. >> reporter: this as the cdc also responds to calls for change. updating its protocols for health care workers treating ebola patients, calling in part for protective gear to completely cover the skin. here in dallas, some claim nurses' necks were left exposed while caring for thomas eric duncan. >> we may never know exactly how that happened...