The purpose of this study is to summarize the occurrence of incident serious medically attended events and events of interest up to 1 year following MenACWY-CRM vaccination administered as part of routine clinical care. This US FDA post-marketing commitment study is an open-label, descriptive, epidemiological safety surveillance study of MenACWY-CRM vaccine in subjects 2 to 10 years of age within a large US Healthcare Maintenance Organization. The 26 events of interest are events commonly evaluated in vaccine safety studies and include certain neurological, immunological, vascular, musculoskeletal and hematologic disorders. All events are collected retrospectively.
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Timing relative to vaccination date (mean days (SD)) for all serious medically attended events and events of interest
Timeframe: Observational period of 1 year following date of vaccination of that individual.
Frequency (n, %) for all serious medically attended events and events of interest
Timeframe: Observational period of 1 year following date of vaccination of that individual.
Incidence (n per person years, 95% CI) for all serious medically attended events and events of interest
Timeframe: Observational period of 1 year following date of vaccination of that individual.