Figure 3From: Ontology-based time information representation of vaccine adverse events in VAERS for temporal analysisA sample report from the VAERS database. The report is semi-structured. Data such as patient's age, gender, location, the vaccination date, as well as some basic classifications is presented in structured way. But more detailed temporal information can only be retrieved from the write-up narratives. Original source: http://www.medalerts.org/vaersdb/findfield.php?IDNUMBER=25319Back to article page