Authorities have said the Dallas nurse Nina Pham infected with the Ebola virus disease is 'clinically stable'. At a press conference Monday head of the US Centres for Disease Control (CDC) and Prevention Thomas Frieden also said that there could be new Ebola cases among the medical personnel who cared for Thomas Eric Duncan the Liberian patient with the virus who died last Wednesday. 'We have to rethink the way we address Ebola infection control. Even a single infection is unacceptable' Frieden told reporters. (Read: Ebola in India: Will experimental drug ZMapp ever come to India?) 'The care of Ebola
