This is anti-Catholic ( the One, Holy, Catholic, Apostolic Church outside of which no one can be save) vomit produced by those who say they are christian but in reality are anti-Christs.

wi-fi cause air contamination and living inmerse "electric waves": obviously the defense system in human bodies starts going down

*sigh* influenza is a disease caused by a virus. Wi-Fi is a family of wireless network protocols for electronic broadcasts. Viruses in organic life are not caused by electronic broadcasts. If you're really worried, go buy a Clarus Q-Link. It costs a lot, looks cool, so it obviously works. ;-)