{"batchcode": "04SL21A", "histograms": [{"histogram": {"Arthralgia": 1, "COVID-19": 1, "Gait disturbance": 1, "Injected limb mobility decreased": 1, "Mobility decreased": 1, "Oropharyngeal pain": 1, "Pain in extremity": 1, "SARS-CoV-2 test positive": 1, "Swelling": 1}, "batchcodes": ["04SL21A"]}]}