How A Virus Spreads Around The World
lionelk
Published
09/11/2011
In the old days, people were less knowledgeable concerning general health. On the other hand, it wasnt as easy for viruses to spread. Today, a virus can travel around the world in hours with the help of modern air, road, and train travel. Someone sick can bring a bug around the world, and a pandemic can happen in just days. Your best defense as Fal
1 Comments