To find information on flu, including symptoms, prevention and treatment, try the Medline Plus database. You can access it through the Research & Learn tab at the top the library homepage in the alphabetical Databaseslist. In the Medline Plus search field, enter the word ‘flu' and hit ‘search'. Click on the first result from the National Library of Medicine. This will bring up a new page with an overview of the disease and several headings.