1. An antiviral agent based on bacteria of the genus Serratia nuclease, characterized in that as a source of bacteria of the genus Serratia nuclease it contains a purified culture liquid of bacteria Serratia plymuthica strain having RNase activity from 926 to 109.0 U / ml and a protein content of 3 6 to 13.5 mg / ml.2. The antiviral agent according to claim. 1, characterized in that purified bacterial culture of the strain Serratia plymuthica liquid obtained by centrifugation at 10000-12000 r / min, and by ultrafiltration through a filter with a pore size of 0.1-0.3 mkm.3. The antiviral agent according to claim. 1, characterized in that the bacterial strain Serratia plymuthica it contains a strain of the bacteria Serratia plymuthica Dg-91 deposited in the collection of bacteria, bacteriophages and fungi Federal budget institution of science "State Research Center of Virology and Biotechnology" Vector "under registration number B-1288.4. The antiviral agent according to claim. 1, characterized in that the bacterial strain Serratia plymuthica it contains a strain of the bacteria Serratia plymuthica Dg-98 deposited in the collection of bacteria, bacteriophages and fungi Federal budget institution of science "State Research Center of Virology and Biotechnology" Vector "under registration number B-1297.5. The antiviral agent according to claim. 1, characterized in that the bacterial strain Serratia plymuthica it contains a bacterial strain Serratia plymuthica Bp-868 deposited in the collection of bacteria, bacteriophages and fungi Federal budget institution of science "State Research Center of Virology and Biotechnology" Vector "under registration number B-1296.6. The antiviral agent according to claim. 1, characterized in that the bacterial strain is Serratia plymuthica strain contains bacteria Serratia plymuthica Az-372, deposited in the collection of bacteria, fungi and bacteriophages Federal budget uchre1. Противовирусное средство на основе нуклеазы бактерий рода Ser
