China’s “zero-Covid” policy relies heavily on mobile phone apps that display a health code in one of three “traffic light” colors: red, yellow, or green. Users install the apps via WeChat or Alipay, ...

In part three (Lockdown Voices: Big-data Glitches, Yellow Health-codes, and “Spatial-temporal Companions”), we turn our attention to the ways in which the ubiquitous red, yellow and green phone-app ...

A letter got sent to parents at 11:10 a.m. Tuesday about the code yellow lockdown. A code yellow lockdown means all exterior doors of the school are locked and no one is allowed in or out until police ...

SHARPSBURG, Ga. — An elementary school in Coweta County was placed on a "Code Yellow" on Thursday with activity by the sheriff's office nearby. The Code Yellow was activated around 11 a.m. at Poplar ...

TELL YOU ABOUT THAT FULL SEVEN-DAY FORECAST ALL BUT COMING UP. >> NEW TONIGHT. FORT SMITH SCHOOLS REPORTING AN ELEMENTARY SCHOOL WAS PUT ON LOCKDOWN THIS AFTERNOON. OFFICIALS CONFIRM A STUDENT SAW ...

CHARLOTTE — The air quality alert for Charlotte was downgraded to Code Yellow Tuesday night. Code Yellow “is considered acceptable and is not expected to have widespread health impacts,” according to ...

A Wake County school is under code yellow lockdown according to a letter sent to parents on Tuesday morning. The letter, sent to WRAL News by a parent, said Wakefield Elementary, Middle and High ...

Code Yellows have been declared at three of the Northern Territory’s main hospitals as the wet weather continues to batter the region.