Virus be it in your body or inyour system, never fails to inflict harmful effects. One of the deadliest diseasesknown to the human race- AIDS is also caused by a virus. Virus is actuallyderived from a Latin word and means something that is harmful or poisonous. Thename virus has been given to that particle that makes the cells of a livingorganism its home and metes out quite a number of ill effects. Interestingly avirus cannot survive or multiply without the aid of a living cell.

 Medical science has developed,invented and discovered a number of antidotes to the viruses that affect thehuman or animal body. The cures invented thus help the immune system of thebody in fighting the antibodies that enter our system.

 Virus came to be identified withmany other things that imply harm, damage, or ills. The term came to be usedoutside the vicinity of health and medicine. In the current scheme of thingsthe term is often heard to be used in the technical context, in relation tocomputer science. It has only been two decades that the human society came toknow of computer viruses and since then the term found its existence in theglossary of computer science. The software that can take control over a systemwithout the knowledge of the patron, and eventually wreck havoc to his system isknown a as a virus, computer virus. Viruses are detrimental to the private andconfidential content of a personal computer. Viruses are also used for themisuse of important data and documents. There are several ways through which avirus finds its way to a system. Pen drives, floppies, USB, DVDs, mails etc arejust some of the mediums that can help in virus transfer. Just for informationthat the first virus was named Brain, made by two Pakistanis the Farooq Alvibrothers in 1986.

 For some time now people havebeen immensely bothered by the viruses. But man has not bowed down. He hasinvented a number of systems to fight back. Namely the anti virus software.Anti virus software when installed in a system tracks any virus that happens toinvade the system. However, the battle is not completely won. The virus manufacturersmake viruses that sneak into a system through mails and other sources and thatsucceed in going undetected. For this it is recommended that you keep updatingyour anti virus software.