Home > Medical > Cold and flu infection > About Flu About Flu All sections in Flu » About Flu » Bird flu and SARS » Health Tips » Multimedia » Flu News » Preventing Flu » Spreading the Flu » The 1918 Epidemic » The Flu Virus » Treatment » You and Flu Flu: let your body fight back It’s tempting to think that there’s a pill or a potion for everything, but the best defence against a virus like influenza is still a strong immune system; CyberDoc advises on flu. Flu (influenza) Influenza ('flu) is a viral infection of the airways that also has severe general symptoms. It is a seasonal illness that affects large numbers of people during winter. Summer flu? It's summer and everybody is on the beach. But you're stuck in bed – with a temperature and aching muscles. Do you have the flu? Ask CyberDoc » Test Do you need vitamin C? » Join Body Talk » Quiz Addicted to pills? » No Flu for you 10 foods to boost your immune system Swine influenza Swine influenza (swine flu) is a respiratory disease of pigs caused by type A influenza virus, which regularly causes outbreaks of influenza in pigs. Do I have the flu? The onset of flu is usually very sudden - one can often pinpoint the exact hour when you start feeling ill. Should I have the flu injection? People in the high-risk group should get the flu vaccine, and the vaccine is recommended for any adult or child older than six months. Swine flu hits SA with force 93 cases and counting. Swine flu has hit home. Here's what you need to know about the virus. How does flu spread? An infected person sheds mucus from their nose and throat and the virus is aerosolised by speaking, sneezing and coughing. What is the difference between flu and a cold? This can sometimes be confusing. Both are viral infections and both can affect the nose and the throat. load more articles advertisement From our sponsors Your retirement - a healthy mindset So many people, why so alone? You can still enjoy the sweet things in life Take the sugar test, it could save your life.