Inclusion Criteria:  Presence of signed informed consent to participate in the trial. Volunteers (both male and female) over the age of 60 who could meet the Protocol requirements. Negative pregnancy test obtained from female volunteers with preserved childbearing potential. Consent to use adequate contraception methods (contraception methods with degree of reliability of more than 90%: a nonhormonal intrauterine device; a spermicide condom; a spermicide cervical cap; spermicide diaphragms) or total sexual abstinence during the clinical trial (until Visit 5 (day 28(+2)).  Exclusion Criteria:  Allergic reactions to chicken protein or any previous influenza vaccination. Anamnestic data on the episodes of severe allergic reactions and/or diseases (anaphylaxis, Quincke's edema, polymorphic exudative erythema, serum disease etc.) Acute reaction (temperature above 38.5оС, edema and hyperemia over 5 cm in diameter at the injection site) or complications caused by previous administration of the drug. Previous vaccination 6 months before the start of the trial. History of leucosis, blood cancer, malignant oncological diseases. Guillain-Barré syndrome (acute polyneuropathy) in the medical history. Positive screening for HIV infection, B and C hepatitis, syphilis. Any confirmed or suspected immunosuppressive or immunodeficiency condition; Administration of immunoglobulin or blood products within the last three months before the study. Long-term use (more than 14 days) of immunosuppressants (including systemic corticosteroids, cytotoxic, radioactive preparations) or other immunomodulatory drugs for six months before the trial. Chronic diseases at the decompensation stage or in debilitating form, which can make it dangerous for the volunteer to take part in the trial. Progressive neurological disorders, dementia. Blood disorders which serve as a contradiction for intramuscular injection. History of alcohol or drug addiction. Pregnancy, breastfeeding in women with preserved reproductive performance. Current participation in another clinical trial or within the previous 3 months before the screening. Mental, physical and other problems which do not allow for appropriate assessment of own behavior and following the requirements set out in the trial protocol. Any other conditions which in the reasonable opinion of the clinical investigator complicate the participation of the volunteer in the trial