Query: When was I suspected to have COVID-19?, FHIR Resource: {'resourceType': 'Immunization', 'status': 'completed', 'vaccineCode': {'coding': [{'system': 'http://hl7.org/fhir/sid/cvx', 'code': '113', 'display': 'Td (adult), 5 Lf tetanus toxoid, preservative free, adsorbed'}], 'text': 'Td (adult), 5 Lf tetanus toxoid, preservative free, adsorbed'}, 'patient': {'reference': 'urn:uuid:e4ffe2ab-c54d-f9f9-c22e-09bc9d528440'}, 'occurrenceDateTime': '2023-07-27T07:40:42+05:30', 'primarySource': True}