{"batchcode": "0708218", "histograms": [{"histogram": {"Arthralgia": 1, "Back pain": 1, "Gait inability": 1, "Interchange of vaccine products": 1, "Muscular weakness": 1, "Neck pain": 1, "Pain in extremity": 1, "Paraesthesia": 1, "Tenderness": 1}, "batchcodes": ["0708218", "202A21A"]}]}