{"batchcode": "042L2OA", "histograms": [{"histogram": {"Arthralgia": 1, "Chills": 1, "Fatigue": 1, "Headache": 1, "Pain in extremity": 1, "Pyrexia": 1}, "batchcodes": ["025J20-2A", "042L2OA"]}, {"histogram": {"Anticoagulant therapy": 1, "Computerised tomogram abnormal": 1, "Deep vein thrombosis": 1, "Electrocardiogram": 1, "Magnetic resonance imaging abnormal": 1, "Migraine": 1, "Ultrasound Doppler abnormal": 1}, "batchcodes": ["042L2OA", "O11J20A"]}, {"histogram": {"Pruritus": 5, "Rash": 5, "Headache": 4, "Injection site erythema": 3, "Nausea": 3, "Pyrexia": 3, "Swelling": 3, "Chills": 2, "Decreased appetite": 2, "Erythema": 2, "Feeling abnormal": 2, "Injection site pruritus": 2, "Injection site rash": 2, "Injection site warmth": 2, "Myalgia": 2, "Pain": 2, "Vaccination site induration": 2, "Arthralgia": 1, "Asthenia": 1, "Back pain": 1, "Chest X-ray normal": 1, "Confusional state": 1, "Cough": 1, "Dizziness": 1, "Dysgeusia": 1, "Electrocardiogram normal": 1, "Eyelids pruritus": 1, "Facial pain": 1, "Fatigue": 1, "Heart rate increased": 1, "Hyperhidrosis": 1, "Hypokinesia": 1, "Incoherent": 1, "Injection site pain": 1, "Injection site swelling": 1, "Nasal congestion": 1, "Pain in extremity": 1, "Pain of skin": 1, "Pollakiuria": 1, "Rash erythematous": 1, "Rash papular": 1, "Rash pruritic": 1, "Swelling face": 1, "Swelling of eyelid": 1, "Trigeminal nerve disorder": 1, "Vaccination site pain": 1, "Vaccination site warmth": 1, "Vertigo": 1, "Vomiting": 1, "Wrong technique in product usage process": 1}, "batchcodes": ["042L2OA"]}]}