{"batchcode": "01621A", "histograms": [{"histogram": {"Chills": 1, "Grip strength decreased": 1, "Headache": 1, "Impaired work ability": 1, "Menstruation delayed": 1, "Migraine": 1, "Muscle spasms": 1, "Nausea": 1, "No adverse event": 1}, "batchcodes": ["01621A", "0271321A"]}, {"histogram": {"Extra dose administered": 1, "Movement disorder": 1, "No adverse event": 1, "Pain": 1, "Product administered at inappropriate site": 1}, "batchcodes": ["01621A"]}]}