Nowadays, we are facing in real time the same problem. A fight against a invisible enemy. This virus is threatening continuously many countries from bigger to smaller. I don't like name it because it has destroyed many families and also their own life projects. This enemy has developed corruption and intolerance of many societies which allways have existed. If we want to gain this problem we need to work together without egoism sharing our knowledge, we need to throw all kind of pride. As a result it is possible to defeat this health issue, Only together this is the only way.