Allison Aubrey

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DAVID GREENE, HOST:

As we get closer to a COVID-19 vaccine, it's exciting to imagine a day when the virus is gone. But a vaccine will not be a magic bullet. In fact, it may be only about 50% effective.

Dr. Anthony Fauci, chief of the National Institute of Health and Infectious Disease, has tried to set realistic expectations when discussing the importance of a vaccine. "We don't know yet what the efficacy might be. We don't know if it will be 50% or 60%," Fauci said during a Brown University event in August.

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Updated 4:10 p.m. ET

As students return to the campus of University of Illinois at Urbana-Champaign this month, they will be tested for COVID-19. And, then they'll be tested, again.

"We are requiring testing two times per week for access to campus facilities. This is for students, faculty, and staff," explains Rebecca Lee Smith, an associate professor of epidemiology.

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STEVE INSKEEP, HOST:

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STACEY VANEK SMITH, HOST:

As schools across the country grapple with bringing kids back into the classroom, parents — and teachers — are worried about safety. We asked pediatricians, infectious disease specialists and education experts for help evaluating school district plans.

What we learned: There's no such thing as zero risk, but certain practices can lower the risk of an outbreak at school and keep kids, teachers and families safer.

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MARY LOUISE KELLY, HOST:

Updated Aug. 12 at 1:15 p.m. ET

How severe is the spread of COVID-19 in your community? If you're confused, you're not alone. Though state and local dashboards provide lots of numbers, from case counts to deaths, it's often unclear how to interpret them — and hard to compare them to other places.

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