---
title: Use the “traffic signals”
description: "Watch this video to learn about the \"traffic signal\" indicators for inoculation and contamination in VUMIE Online. [YouTube player](https://www.youtube.com/embed/H479dTJCbnc?enablejsapi=1&autoplay=0&cc_load_policy=0&cc_lang_pref=&iv_load_policy=1&loop=0&rel=0&fs=1&playsinline=0&autohide=2&theme=dark&color=red&controls=1&disablekb=0&)"
url: "https://vumicro.com/docs/use-the-traffic-signals/"
updated: "2022-03-29"
category: "\"Show me how to\" videos"
---

# Use the “traffic signals”

Watch this video to learn about the "traffic signal" indicators for inoculation and contamination in VUMIE Online.

[YouTube player](https://www.youtube.com/embed/H479dTJCbnc?enablejsapi=1&autoplay=0&cc_load_policy=0&cc_lang_pref=&iv_load_policy=1&loop=0&rel=0&fs=1&playsinline=0&autohide=2&theme=dark&color=red&controls=1&disablekb=0&)