evidence: Any positively offset [DC] frequency kills all bacteria, viruses and parasites simultaneously given sufficient voltage (5 to 10 volts), duration (seven minutes), and frequency (anything from 10 Hz to 500'000 Hz). But it takes more than one treatment. It takes three treatments to kill everything. Why? The first zapping kills viruses, bacteria and parasites. But a few minutes later, bacteria and viruses (different ones) often recur. I conclude they had been infecting the parasites, and killing the parasites released them. The second zapping kills the released viruses and bacteria, but soon a few viruses appear again. They must have been infecting some of the last bacteria. After a third zapping I never find any viruses, bacteria or parasites, even hours later. (From: "The Cure for All Diseases", p. 13ff.; copyright notice [link to web page www.drclark.net/utilities/copyright.htm]. [...] Or you may zap [link to web page www.drclark.net/disease/zapper.htm] the virus with electricity for 7 minutes and eliminate it that way. Build or purchase [link to web page www.drclark.net/utilities/b&p.htm] a zapper immediately. Using the herbal recipe [link to web page www.drclark.net/disease/p_cleanse.htm] along with the zapper is best.