Abstract: The present invention concerns an antiviral composition comprising the following components: R-(?)-2-methyl-5-(prop-1-en-2-yl)-cyclohex-2-enone (also called (?) carvone) and S-(+)-2-methyl-5-(prop-1-en-2-yl)-cyclohex-2-enone (also called (+) carvone) and (2E)-3,7-dimethylocta-2,6-dien-1-ol (also called trans-geraniol) in combination with at least one more component chosen among essential oils components for use in treatment and prevention of diseases caused by DNA enveloped viruses, DNA non-enveloped viruses, RNA enveloped viruses and RNA non-enveloped viruses.