Tag: Dr Anavaj Sakuntabhai

• Monday, February 9th 2015 - 13:26 UTC

  Researchers fear Ebola virus has mutated and are studying contagion degree

  

  More than 22,000 people have been infected and about 9,000 are known to have died in Guinea, Liberia and Sierra Leone since what evolved into the worst-ever outbreak of Ebola was identified last March.