A virucide (pronounced /ˈvī-rə-ˌsīd/ and alternatively spelled viricide[1] or named biocidal agent[2] or known as microbicides[3] or biocides[4]) is any physical or chemical agent that deactivates or destroys viruses.[5] The substances are not only virucidal but can be also bactericidal, fungicidal, sporicidal or tuberculocidal.[6]

Virucides are to be used outside the human body, and as such fall into the category of disinfectants (applied not to the human body) and antiseptics (applied to the surface of skin) for those safe enough. Overall, the notion of virucide differs from an antiviral drug such as Aciclovir, which inhibits the proliferation of the virus inside the body.[7][8][9]

CDC's Disinfection and Sterilization list of Chemical Disinfectants mentions and discusses substances such as: Alcohol, Chlorine and chlorine compounds, Formaldehyde, Glutaraldehyde, Hydrogen peroxide, Iodophors, Ortho-phthalaldehyde (OPA), Peracetic acid, Peracetic acid and hydrogen peroxide, Phenolics, Quaternary ammonium compounds, with different, but usually potent microbicidal activity.[10][11] Other inactivating agents such as UV, Metals, Ozone, etc. exist.[12][13][14][11]

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