A survey of 5,000 adults by Parks Associates indicates roughly half, 52 percent, are willing to share tracking data in an app while 28 percent are unwilling. Twenty percent are willing but only with privacy protection, which falls far short of what experts say is needed.

Still, a high participation rate among young people could be useful in providing symptom assessment tools, which is being done at Brigham Young University.

"You can do daily symptom checking," said Dr. Jennifer Kent, senior director of Parks Associates. "If you think you have symptoms, you can know right there, where do I go to get tested? And does my insurance cover it? And you can get your results back much more quickly."

From the article "App for COVID-19 contact tracing faces hurdles, generational divide over privacy concerns" by David Louie.