{"batchcode": "PH3220", "histograms": [{"batchcodes": ["PH3220"], "histogram": {"Immunisation": 2, "SARS-CoV-2 test": 2, "COVID-19": 1, "Chills": 1, "Dizziness": 1, "Drug ineffective": 1, "Fatigue": 1, "Interchange of vaccine products": 1, "Somnolence": 1, "Vomiting": 1}}]}