A pharmaceutical composition for prevention or treatment of viral infections including a formulation of full antibodies or fragments of antibodies specific to at least one of the following peptide sequences of toll-like receptor type 3: FYWNVSVHRVLGFKE (Seq ID NO:1), EYAAYIIHAYKD (Seq ID NO: 2), or to peptide sequence of interferon gamma receptor beta chain: LIKYWFHTPPSIPLQIEEYL (Seq ID NO: 3), or to peptide sequence of interferon gamma receptor alpha chain: SIILPKSLISW (Seq ID NO: 4).