{"batchcode": "EC3246", "histograms": [{"batchcodes": ["EC3246", "EK5730"], "histogram": {"Arthralgia": 1, "Fatigue": 1, "Headache": 1, "Impaired work ability": 1, "Injection site pain": 1, "Myalgia": 1, "Oropharyngeal pain": 1, "Pyrexia": 1}}, {"batchcodes": ["EC3246"], "histogram": {"Lymphadenopathy": 2, "Arthralgia": 1, "Headache": 1, "Lymph node pain": 1, "Lymphadenitis": 1, "Pain": 1, "Pyrexia": 1, "SARS-CoV-2 test": 1, "Vomiting": 1}}]}