Summary: We often measure the toll of the pandemic by deaths, which have surpassed 200,000 in the U.S. But what is of increasing concern is the long-term, perhaps even permanent, damage that COVID-19 can cause to even healthy young people who become infected. Health reporter Erin Allday talks about the "long-haulers" she's been speaking to. | Unlimited Chronicle access: sfchronicle.com Learn more about your ad choices. Visit megaphone.fm/adchoices
