"Antiviral properties" refers to the ability of something (like a substance, medicine, or treatment) to help fight against viruses or inhibit their growth and replication in the body. Full definition
For Shingles and Herpes Eruptions: Combined with the powerful antiviral properties of Thyme Oil, this topical application will drastically reduce the healing time to as little as 3 days. (beneficialbotanicals.com)
Mandrake Root, used externally, is said to be effective in wart removal, especially helping genital, or venereal warts, as the root is said to possess strong antiviral properties. (store.newwayherbs.com)
Each virus contained genetic sequences coding for one of two proteins: miR24, a cancer - fighting antibody, or human interferon beta - 1a, a protein with antiviral properties. (sciencemag.org)