CBS TODAY Ebola virus infects two Us citizens in West Africa As the Ebola outbreak in West Africa worsens, two Americans working to end the spread of the virus have grown to be contaminated themselves. Dr. John LaP. The hardest strike have already been Guinea, Sierra Leone, and Liberia, which includes gotten the most interest recently because of the an infection of an American doctor and an help worker there. Additionally, among Liberia’s highest-profile doctors dealing with the disease, Dr. Samuel Brisbane, died over the weekend from it. He was at least the next physician for the reason that country only to contract and become killed by Ebola so that they can treat it.The new discovery originated by a team of researchers led by Hiroshi Kiyono of the division of mucosal immunology at the University of Tokyo; it really is being regarded as a revolutionary method to help ease delivery of vaccines in developing countries, where storage is difficult due to insufficient refrigeration. Cholera is an illness of the gut that is passed to humans through water or meals contaminated with the bacterium Vibrio cholerae; it could kill within a couple of hours of disease and can be prevalent in many of the world’s poorest countries. It is one of the most fatal illnesses known rapidly.