tag | vaccination

April 2, 2021 | 12:24 PM

New CDC guidance lifts most domestic travel restrictions for fully vaccinated people

The CDC considers someone fully vaccinated two weeks after they receive the last dose of vaccine. Those individuals will no longer need to get tested before or after travel unless their destination requires it, and do not need to self-quarantine.

By Rachel Treisman/NPR
March 18, 2021 | 5:32 AM

Allegheny County may be headed for a spring COVID-19 surge

Despite the rush to get people vaccinated, the county has seen a slight increase in cases. But there appears to be no particular pattern driving these numbers beyond the fact people are participating in more gatherings and activities.

By Sarah Boden/WESA
March 17, 2021 | 5:11 AM

Two Pa. prisons have vaccinated more than 70% of inmates. An incentive program may be making a difference.

Three out of the state’s 23 prisons have so far offered vaccines to inmates and staff, and the number of inmates who have gotten the vaccine at two of those facilities is upwards of 70%.

By Joseph Darius Jaafari/Spotlight PA and Jamie Martines/Spotlight PA

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February 18, 2021 | 3:22 PM

How herd immunity works — and what stands in its way

Scientists say the pandemic will only end in the U.S. when we achieve what’s called herd immunity. Play with our simulations to see how immunity can stop an outbreak in its tracks.

By Thomas Wilburn and Richard Harris/NPR