MEXICO CITY, Nov 25 (Reuters) - Mexico City has launched a test-and-trace approach to containing the coronavirus, after a rise in hospitalizations that has raised fears of a new economic lockdown in ...

SEOUL (Reuters) - South Korea is testing a new quick response (QR) code system this week to log visitors at high-risk entertainment facilities, restaurants and churches in a bid to track coronavirus ...

Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using ...

Scanning QR codes with smartphones is easy. However, sometimes you don’t want to use your smartphone and wish to scan the QR code natively on your computer. The good news is it’s possible to scan QR ...