The appearance of warts on the skin due to the fact that a person infected with one of the papilloma viruses (HPV), of which there are about 60. A person, once infected with the papilloma, forever becomes a carrier and spreads the virus. It should be noted that not every HPV carrier knows about his illness, because often warts do not appear for a long time after infection by the papilloma.
But it is only a little cold, to survive the stress or will something happen that can weaken the immune system, and this hardy virus will immediately make themselves known. It is important to keep in mind that certain HPV infected almost everyone. The peculiarity of this virus is that it can be both active and in a passive state. And can HPV be detected in an inactive state is very difficult, because in this period it is not contagious and does not harm its owner. However, can Express themselves even under the smallest stress that will test the media.