{"batchcode": "0211A21A", "histograms": [{"histogram": {"Headache": 3, "Pain": 3, "Pyrexia": 3, "Asthenia": 2, "Fatigue": 2, "Nausea": 2, "Tremor": 2, "Chills": 1, "Injection site pain": 1, "Injection site swelling": 1, "Insomnia": 1, "Pain in extremity": 1, "Vaccination site induration": 1, "Vomiting": 1}, "batchcodes": ["0211A21A"]}]}