{"batchcode": "FK8911", "histograms": [{"histogram": {"Immunisation": 2, "Interchange of vaccine products": 2, "Off label use": 2, "Arthralgia": 1, "Back pain": 1, "Breast swelling": 1, "COVID-19": 1, "Cellulitis": 1, "Drug ineffective": 1, "Extensive swelling of vaccinated limb": 1, "Fatigue": 1, "Lymphadenopathy": 1, "Malaise": 1, "Muscle spasms": 1, "Neck pain": 1, "Pain in extremity": 1, "SARS-CoV-2 test": 1, "Swelling": 1, "Vaccination site cellulitis": 1, "Vaccination site erythema": 1, "Vaccination site haemorrhage": 1, "Vaccination site induration": 1, "Vaccination site pain": 1, "Vaccination site pruritus": 1, "Vaccination site warmth": 1}, "batchcodes": ["FK8911"]}]}