# Follow-up reports are automatically merged

{% hint style="warning" %}
Import functionality might need to be enabled by UMC. For assistance, [contact UMC](mailto:support@who-umc.org)
{% endhint %}

Follow-up reports are automatically merged with their original report if the Worldwide Unique ID (WWUID) is the same. &#x20;

When a follow-up report is uploaded, VigiFlow will automatically show the latest version. To see previous versions, click on the **`WWUID`** in the audit trail. &#x20;