"We've seen a huge increase in notifications," said one doctor. "Our notifications tend to precede cases by four to five days." SAN FRANCISCO -- Alerts have been sent to thousands of smartphones ...
Launched over a year ago as a high-tech answer to California’s contact tracing woes, most people who test positive for COVID-19 still are not using the “exposure notifications” smartphone app to warn ...
"We've seen a huge increase in notifications," said one doctor. "Our notifications tend to precede cases by four to five days." SAN FRANCISCO -- Alerts have been sent to thousands of smartphones ...
SAN FRANCISCO (KGO) -- Statewide, alerts have been sent to many smartphones letting people know if they have been exposed to someone with COVID-19. The alert system has been around for more than a ...
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