Nasovac-S Vaccine is an inactivated influenza vaccine containing sialic acid-based strain-specific antigens. It is designed for active immunization to prevent influenza A and B infections in individuals 6 months of age and older. This vaccine is administered intranasally, providing a non-invasive, convenient, and effective means of immunization against seasonal influenza. The Nasovac-S Vaccine offers protection against multiple strains, reducing the risk of flu-related complications and promoting overall public health. Its use is recommended annually as part of routine preventive healthcare, particularly for high-risk populations such as healthcare workers, pregnant women, and individuals with chronic medical conditions.