5 Biochemical preparations for preventing or treating infectious or parasitic diseases, cancer, diseases of the blood and blood-forming organs, endocrine, nutritional and metabolic diseases, mental and behavioral disorders, diseases of the nervous system, diseases of the eye, diseases of the ear, diseases of the circulatory system, diseases of the respiratory system, diseases of the digestive system, diseases of the skin and subcutaneous tissue, diseases of the musculoskeletal system and connective tissue, diseases of the genitourinary system and autoimmune diseases; Biochemical preparations for preventing or treating infectious or parasitic diseases, cancer, diseases of the blood and blood-forming organs, endocrine, nutritional and metabolic diseases, mental and behavioral disorders, diseases of the nervous system, diseases of the eye, diseases of the ear, diseases of the circulatory system, diseases of the respiratory system, diseases of the digestive system, diseases of the skin and subcutaneous tissue, diseases of the musculoskeletal system and connective tissue, diseases of the genitourinary system and autoimmune diseases in non-human animals; Biological reagents for medical use; Biological reagents for veterinary use; Carriers for pharmaceutical, medical, veterinary or diagnostic compounds; Biochemical preparations for preventing or treating infectious or parasitic diseases, cancer, diseases of the blood and blood-forming organs, endocrine, nutritional and metabolic diseases, mental and behavioral disorders, diseases of the nervous system, diseases of the eye, diseases of the ear, diseases of the circulatory system, diseases of the respiratory system, diseases of the digestive system, diseases of the skin and subcutaneous tissue, diseases of the musculoskeletal system and connective tissue, diseases of the genitourinary system and autoimmune diseases in humans and non-human animals and for use in a diagnostic method; Medicinal preparations and substances for preventing or treating infectious or parasitic diseases, cancer, diseases of the blood and blood-forming organs, endocrine, nutritional and metabolic diseases, mental and behavioral disorders, diseases of the nervous system, diseases of the eye, diseases of the ear, diseases of the circulatory system, diseases of the respiratory system, diseases of the digestive system, diseases of the skin and subcutaneous tissue, diseases of the musculoskeletal system and connective tissue, diseases of the genitourinary system and autoimmune diseases in humans and non-human animals; Veterinary vaccines; Human vaccine preparations; Lipid nanoparticles for medicinal, diagnostic or pharmaceutical purposes; Lipid nanoparticles comprising protein for medical, diagnostic or pharmaceutical purposes; Saposin-lipid nanoparticles for medical, diagnostic or pharmaceutical purposes