{"batchcode": "0381421A", "histograms": [{"histogram": {"Fatigue": 3, "Pain in extremity": 3, "Chills": 2, "Dizziness": 2, "Headache": 2, "Nausea": 2, "Cold sweat": 1, "Insomnia": 1, "Myalgia": 1, "Pyrexia": 1, "Rash": 1, "Tinnitus": 1, "Vaccination site rash": 1}, "batchcodes": ["0381421A"]}]}