{"batchcode": "03TK20A", "histograms": [{"histogram": {"Lymphadenopathy": 1, "Mouth swelling": 1, "Paraesthesia": 1, "Paraesthesia oral": 1, "Rash": 1, "Rash erythematous": 1, "Rash papular": 1, "Swollen tongue": 1, "Vaccine positive rechallenge": 1}, "batchcodes": ["026B21A", "03TK20A"]}, {"histogram": {"Fatigue": 1, "Headache": 1, "Vaccination site pain": 1}, "batchcodes": ["03TK20A"]}]}