What is a pandemic? What diseases are likely to cause a pandemic? How can thespread of a disease be stopped? Find out about how a disease reaches pandemicpropor... » 

What is a pandemic? What diseases are likely to cause a pandemic? How can thespread of a disease be stopped? Find out about how a disease reaches pandemicproportions and start thinking about what people can do to stop the spread ofdeadly diseases. «