{"batchcode": "011520", "histograms": [{"histogram": {"Blood pressure measurement": 1, "Cardiac disorder": 1, "Dyspnoea": 1, "Heart rate": 1, "Hypertension": 1, "Pruritus": 1, "Tinnitus": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site rash": 1, "Vaccination site reaction": 1, "Vaccination site swelling": 1, "Vaccination site warmth": 1}, "batchcodes": ["011520"]}]}