Summary: A shortage of masks, gowns and other medical-grade personal protective equipment has been a major issue in the coronavirus pandemic. It's still happening, and reporter Dominic Fracassa says that hospitals and county officials are generally reluctant — or have outright refused — to answer questions about a known issue in the PPE supply chain. | Get full Chronicle access: sfchronicle.com/pod Learn more about your ad choices. Visit megaphone.fm/adchoices
