{"batchcode": "PFIZER/EL3246", "histograms": [{"batchcodes": ["PFIZER/EL3246"], "histogram": {"Blood gases": 1, "Blood test": 1, "Computerised tomogram": 1, "Dyspnoea": 1, "Heart rate increased": 1, "Nervousness": 1, "Oxygen saturation decreased": 1}}]}