{"batchcode": "0391L20A", "histograms": [{"histogram": {"Pain in extremity": 2, "COVID-19": 1, "Cellulitis": 1, "Influenza like illness": 1, "Injection site erythema": 1, "Injection site pain": 1, "Injection site pruritus": 1, "Injection site swelling": 1, "Injection site warmth": 1, "Pain": 1, "Vaccination site pain": 1}, "batchcodes": ["0391L20A"]}]}