{"batchcode": "012L120A", "histograms": [{"histogram": {"COVID-19": 1, "Vaccine breakthrough infection": 1}, "batchcodes": ["006120A", "012L120A"]}, {"histogram": {"Fatigue": 2, "Blood pressure increased": 1, "Blood pressure measurement": 1, "Chills": 1, "Dizziness": 1, "Headache": 1, "Heart rate": 1, "Heart rate increased": 1, "Injection site pain": 1, "Muscular weakness": 1, "Myalgia": 1, "Pain": 1, "Pyrexia": 1}, "batchcodes": ["012L120A"]}]}