| − | Temporal association is when two or more events that occur around the same time but are unrelated, chance occurrences. This term is used to deny, often falsely, a causation of an adverse event by a treatment. | + | Temporal association is when two or more events that occur around the same time but are unrelated, chance occurrences. This term is used to deny, often falsely, a causation of an adverse event by a treatment.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#t</ref> |