Whitmer expected to decide on schools; 10:30 a.m. briefing

NEW YORK (AP) — The worldwide race to protect people against unwitting coronavirus carriers intensified Thursday, pitting governments against each other as they buy protective gear and prompting new questions about who should wear masks, get temperature checks or even be permitted to go outside.

In the Chinese city of Wuhan, where the pandemic began in December, a green symbol on their smartphones dictates the movements of residents. Green is the “health code” that says a user is symptom-free and it’s required to board a subway, check into a hotel or enter the central city of 11 million. Serious travel restrictions still exist for those who have yellow or red symbols.