![Clean Air Partners on Twitter: "Do you know what Code Green, Orange, Red and Purple mean for your health? See below if you don't! #AirQualityChat https://t.co/Xq9uxQfR5u" / Twitter Clean Air Partners on Twitter: "Do you know what Code Green, Orange, Red and Purple mean for your health? See below if you don't! #AirQualityChat https://t.co/Xq9uxQfR5u" / Twitter](https://pbs.twimg.com/media/ChtfZOlVIAEbdQ0.jpg)
Clean Air Partners on Twitter: "Do you know what Code Green, Orange, Red and Purple mean for your health? See below if you don't! #AirQualityChat https://t.co/Xq9uxQfR5u" / Twitter
![Earth Shaker PH on Twitter: "BREAKING: The Department of Health (DOH) already placed the country's #COVID19 Alert to CODE RED as of this afternoon. They also asked the President to declare PUBLIC Earth Shaker PH on Twitter: "BREAKING: The Department of Health (DOH) already placed the country's #COVID19 Alert to CODE RED as of this afternoon. They also asked the President to declare PUBLIC](https://pbs.twimg.com/media/ESfLi7PUUAAdrGr.jpg)
Earth Shaker PH on Twitter: "BREAKING: The Department of Health (DOH) already placed the country's #COVID19 Alert to CODE RED as of this afternoon. They also asked the President to declare PUBLIC
![Earth Shaker PH on Twitter: "BREAKING: The Department of Health (DOH) already placed the country's #COVID19 Alert to CODE RED as of this afternoon. They also asked the President to declare PUBLIC Earth Shaker PH on Twitter: "BREAKING: The Department of Health (DOH) already placed the country's #COVID19 Alert to CODE RED as of this afternoon. They also asked the President to declare PUBLIC](https://pbs.twimg.com/media/ESfCJUoUcAYpwx1.jpg)
Earth Shaker PH on Twitter: "BREAKING: The Department of Health (DOH) already placed the country's #COVID19 Alert to CODE RED as of this afternoon. They also asked the President to declare PUBLIC
![Revised, streamlined announcements address risks, decrease confusion - University of Mississippi Medical Center Revised, streamlined announcements address risks, decrease confusion - University of Mississippi Medical Center](https://www.umc.edu/news/News_Articles/2015/October/images/Emergency-Code-List.jpg)
Revised, streamlined announcements address risks, decrease confusion - University of Mississippi Medical Center
![PDF] Analysis of 'Code red trauma calls' promoting the development of a novel cognitive aide for blood product resuscitation PDF] Analysis of 'Code red trauma calls' promoting the development of a novel cognitive aide for blood product resuscitation](https://www.researchgate.net/profile/Simon-Mercer-2/publication/327514834/figure/fig1/AS:668334920044548@1536354870693/CODE-RED-TRAUMA-Cognitive-Aide-Traffic-Light-Triggering-When-to-Start-Blood-Product_Q320.jpg)