According to the previous historical event, if a contagious and lethality disease once broke out, it would be a disaster for the whole world. So, I really admire those scientists who had been adventuring their lives to control the Ebola virus and solve the crisis. In my opinion, they are the unsung hero who protect the individual in a unique way. To be specifically, in order to study the Ebola virus, scientists need to tests of the virus? (不懂); so it gives chance for the Ebloa virus to infect the scientists because of its virulent.