vaccine. It took so many years till scientists discovered vaccines which costed millions and millions lives. The science is so advanced now days that it took only several months for our medical scientists to find vaccine form modern corona virus. We now also have a new RNA method of vaccination, which considers more effective way of influence to our body cells. As our life moves on to the future, there may appear other viruses harmful to humans and mankind could survive all these diseases by developing the vaccines and by getting vaccinated