This free online Swine Flu course will teach you about the causes, effects, and treatments available for Swine Flu. When new strains of influenza break out, humans don't have any natural immunity to them. Therefore, when a new virus develops there's a risk that that virus can become a pandemic if the virus continues to pass from person to person. In this course, you will about how Swine Flu is transmitted, and how it is prevented, and treated.