Definite was defined as the vaccine was given before symptomonset, the mechanism for the AEwaswell-defined, evidence existed in the literature for a link between AE and vaccine, and other causeswere excluded
Definite was defined as the vaccine was given before symptomonset, the mechanism for the AEwaswell-defined, evidence existed in the literature for a link between AE and vaccine, and other causeswere excluded