{"batchcode": "03K20A", "histograms": [{"histogram": {"Headache": 5, "Chills": 4, "Dizziness": 3, "Injection site pain": 3, "Pain": 3, "Pain in extremity": 3, "Pyrexia": 3, "Arthralgia": 2, "Contusion": 2, "Cough": 2, "Dyspnoea": 2, "Myalgia": 2, "Rash": 2, "Anxiety": 1, "Blood pressure decreased": 1, "Body temperature": 1, "Death": 1, "Epistaxis": 1, "Erythema": 1, "Extrasystoles": 1, "Fatigue": 1, "Feeling abnormal": 1, "Impaired work ability": 1, "Injection site erythema": 1, "Injection site reaction": 1, "Injection site swelling": 1, "Limb discomfort": 1, "Mass": 1, "Muscular weakness": 1, "Nausea": 1, "Palpitations": 1, "Respiratory depression": 1, "Respiratory tract congestion": 1, "Skin warm": 1, "Swollen tongue": 1, "Syncope": 1, "Tachycardia": 1, "Upper-airway cough syndrome": 1, "Vaccination site erythema": 1, "Vaccination site induration": 1, "Vaccination site reaction": 1, "Vaccination site swelling": 1, "Vaccination site warmth": 1, "Wheezing": 1}, "batchcodes": ["03K20A"]}]}