| ADVERSE REACTIONS OBSERVED FROM CLINICAL TRIALS The safety of trivalent inactivated influenza vaccines is assessed in open label, uncontrolled clinical trials performed as annual update requirement, including at least 50 adults aged 18 60 years of age and at least 50 elderly aged 61 years or older. Safety evaluation is performed during the first 3 days following vaccination.The following undesirable effects have been observed during clinical trials with the following frequencies:Very common ( 1/10); common ( 1/100, <1/10); uncommon ( 1/1,000, <1/100); rare ( 1/10,000, <1/1,000); very rare (<1/10,000), including isolated reports.Nervous system disorders Common ( 1/100, <1/10):Headache*Skin and subcutaneous tissue disorders Common ( 1/100, <1/10):Sweating*Musculoskeletal and connective tissue disorders Common ( 1/100, <1/10):Myalgia, arthralgia*General disorders and administration site conditions Common ( 1/100, <1/10):Fever, malaise, shivering, fatigue.Local reactions: redness, swelling, pain, ecchymosis, induration.**These reactions usually disappear within 1-2 days without treatment.ADVERSE REACTIONS REPORTED FROM POST-MARKETING SURVEILLANCE Adverse reactions reported from post marketing surveillance are, next to the reactions which have also been observed during the clinical trials, the following:Blood and lymphatic system disorders: Transient thrombocytopenia, transient lymphadenopathyImmune system disorders: Allergic reactions, in rare cases leading to shock, angioedemaNervous system disorders:Neuralgia, paraesthesiae, febrile convulsions, neurological disorders, such as encephalomyelitis, neuritis and Guillain-Barré syndromeVascular disorders:Vasculitis associated in very rare cases with transient renal involvementSkin and subcutaneous tissue disorders: Generalised skin reactions including pruritus, urticaria or non-specific rash | |