How long do viral infections last?
well, that depend of your Immune.System… Ps. check www.webmd.com and get more information about your Q. Viral infections are caused by viruses. Viruses are microorganisms that are smaller than bacteria. They cannot grow or reproduce apart from a living cell. A virus invades a living cell and uses its chemical machinery to keep itself alive and to replicate itself. It may reproduce with fidelity or with errors (mutations). This ability to mutate is responsible for the ability of some viruses to change slightly in each infected person, making treatment more difficult. Viruses cause many common human infections and are also responsible for a bevy of rare diseases. Examples of viral illnesses range from the common cold, which is usually caused by one of the rhinoviruses, to acquired immunodeficiency syndrome (AIDS), which is caused by the human immunodeficiency virus (HIV). Viruses may contain either DNA or RNA as their genetic material. Herpes simplex virus and the hepatitis B virus are