# Safety Documentation Related to Multiple Sites

Source: https://sites.veevavault.help/gr/siteconnect/safety-distribution/safety-multi-sites/

Vault marks safety reports that are related to multiple studies for review on every affected Study. Once you have marked **Read** a multi-study safety report, Vault updates all related studies.

- Safety reports that are related to multiple studies are noted for review on every affected study.
- Once a multi-study safety report has been marked as _Read_, all affected studies are updated.