[Characteristic and duration of immunity in influenza].
D000906:Antibodies; D000941:Antigens; D006801:Humans; D007251:Influenza, Human / Q000276:immunology*
D000906:Antibodies; D000941:Antigens
ANTIGENS AND ANTIBODIES; INFLUENZA/immunology
O kharaktere i dlitel'nosti immuniteta pri grippe.