Influenza, usually known as the flu, is a respiratory infection caused by the influenza virus. The infection typically is spread by air or by direct contact, from one person to another. Most cases occur during epidemics, which peak during the winter months nearly every year. Influenza virus is very contagious. A particularly widespread and severe epidemic is called a pandemic.
Compared with other viruses, influenza can strike remarkably large numbers of people in a relatively short...Read more
Have a question or comment? Click here.Are there things you want to know about the flu and the flu vaccine? If so, you're going to love this article.... Read more »
Swine flu is caused by type A influenza (also known as H1N1). Swine Flu symptoms are similar to the flu that normally infects humans.Symptoms... Read more »
This summer, health news was dominated by information on the H1N1 flu virus. And just like a child’s game of “telephone,” the facts about the... Read more »