we disclose here a method for using poly - iclc to prevent and / or treat certain human and veterinary infectious , neoplastic and autoimmune disorders , as well as for regulating a broad variety of genes in humans , consisting of use of poly - iclc repeatedly and at low doses , alone or in combination with other drugs or vaccines . as such it represents an example of broad spectrum host - targeted therapeutics , in contrast to conventional antibiotics , antiviral or antineoplastic agents that target specific organisms or tumors .