{"batchcode": "EW018U", "histograms": [{"batchcodes": ["EW018U"], "histogram": {"Cough": 1, "Dyspnoea": 1, "Headache": 1, "Hypersensitivity": 1, "Malaise": 1, "Nasal congestion": 1, "Oropharyngeal pain": 1, "Rhinorrhoea": 1, "Sneezing": 1}}]}