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Influenza (flu) is an acute infectious disease caused by various strains of viruses. Outbreaks of the flu usually occur during the winter because the viruses are most easily spread in crowded, indoor places. The viruses are transmitted by direct contact or by breathing the airborne viruses. continue reading »

Nearly 200 viruses can cause a cold, and they can live for hours on objects, surfaces, and people. When you touch something contaminated with a cold virus, and then touch your eyes or nose, you transmit the virus to your body. There is no cure for the common cold. It usually goes away in 5 to 7 days.
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