Germs are spread by touching, coughing and sneezing. The best way to prevent the spread of germs is good hygiene habits. Wash your hands and covering your cough is a good way to stop the spread of germs.
You can find more information here: health.state.ny.us/publications/7110.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.