No One Wants to Pick Up the Phone for an Unfamiliar Number—and It’s Hurting Contact Tracing Now a technological solution is in the works. By Kasra Zarei. Nov 24, 2020 2:02 PM.

As California begins to re-open, the state is ramping up a massive contact-tracing program to identify people who may have been exposed to coronavirus without knowing it. News Channel 3 looks into ...

Extended periods of contact tracing were introduced on a trial basis in early December when numbers were at 200 a day, but abandoned when infections started to spike during the third wave.

When it comes to testing and tracing, there’s no shortage of numbers. Some 1.54 million tests, 258,230 contact tracing calls; calls one, two and three; average numbers of close contacts; means ...