Three patients in the U.S. have received plasma from another survivor . At least four in West survived after taking experimental drugs ; two died . Early treatment at specialized facilities for Ebola has netted positive results . Comment:
Three patients in the U.S. have received plasma from another survivor . At least four in West survived after taking experimental drugs ; two died . Early treatment at specialized facilities for Ebola has netted positive results . But mortality rate wo n't be zero `` no matter where somebody is , '' Dr. Sanjay Gupta says .