Incidence of adverse events after vaccination during 28 days of follow up (Intention to Treat population).

Per-subject analysis of adverse events (unlikely, possibly and probably related to the vaccine) reported during 28 days of follow up. Subjects could experience more than one adverse event. Each adverse event was only counted once for each subject and system class. There were 56 adverse events in the M01ZH09 group and 16 in the placebo group, when repeated occurrences of a particular event in the same patient were only counted once. Adverse events that were possibly or probably related to the vaccine are presented in italic.
*One severe adverse event was reported.