Medical Inactivated Influenza Vaccine

[Administration and dosage](1) Inject i. M. In the deltoid muscle of the lateral upper arm.(2) Inoculate before and during the epidemic season of influenza. Inject single human dose of 0.5 ml vaccine for adults and children aged above 3 years. Inject two human doses of 0.25 ml vaccine for children aged between 6 months and 3 years at intervals of 2-4 weeks.[Adverse reactions]Common adverse reactions(1) Pain, tenderness, redness, swelling and itching may occur at the injection sites generally within 24 hours after vaccination, which can be relieved spontaneously within 2-3 days in most cases.                (2) Transient fever may occur a and can be relieved spontaneously within a short period and need no particular treatment in most cases.Rare adverse reactions(1) Transient common cold symptoms and discomfort may occur after vaccination which can be relieved spontaneously and need no particular treatment.                (2) Severe fever: Physical therapy and symptomatic treatment shall be adopted to prevent febrile convulsion.Extremely rare adverse reactions(1) Allergic rash: Urticaria may occur generally within 72 hours after vaccination, if it occurs the recipients shall go to the clinic promptly and receive anti-anaphylactic treatment.(2) Anaphylactic shock: Anaphylactic shock may occur within one hour after vaccination, emergency measures shall be adopted immediately including prompt injection