They thought the worst of the coronavirus pandemic was behind them. The vaccines were here, the masks could come off. A summer slowly returning to normal seemed within reach. Then came the hyper-transmissible delta variant - and with it, this week, a call from health officials for everyone to start masking up indoors again in places where viral transmission is high.

LOUISVILLE - Soon after the CDC announced its updated mask guidance, Louisville coffee shop owner Billy Sechman took to Instagram.