Summary: When the CDC tightened its guidance this week on who should get tested for the coronavirus, Bay Area health experts were shocked. We need more testing, they said, not less. Wednesday, Gov. Gavin Newsom announced a deal with a company to increase and speed up testing. Reporters Catherine Ho and Alexei Koseff have details. | Unlimited Chronicle access: sfchronicle.com/pod Learn more about your ad choices. Visit megaphone.fm/adchoices
