Health Sciences

Older adults’ access to primary care during the pandemic

Older patients who accessed primary care via telemedicine had lower hospitalization rates, but racial disparities in outcomes of in-person primary care persist, with Black older adults more likely to be hospitalized after a telemedicine visit.

From Penn LDI

Clarifying T cell ‘exhaustion’

T cells, which are among the most powerful weapons in the immune systems of humans and other vertebrates, remain substantially programmed to stay exhausted even many weeks after exposure to a virus ended.

Hannah Messinger



In the News


The New York Times

Waiting on U.S. mandate, some nursing homes are slow to vaccinate staff

PIK Professor Ezekiel Emanuel said lower COVID-19 vaccination rates lead to more infections. “We should be clear that mandates have been working and have been working in every industry that has tried them,” he said.

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Scientific American

Four success stories in gene therapy

Jean Bennett and Albert Maguire of the Perelman School of Medicine developed a gene therapy to treat blindness in patients with retinal dystrophy caused by mutations in the RPE65 gene. “These people can now do things they never could have dreamed of doing, and they’re more independent and enjoying life,” said Bennett.

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ABC News

Why breakthrough COVID deaths can be misunderstood

Edward Stadtmauer of the Perelman School of Medicine advised cancer patients to get vaccinated against COVID-19. “If you have abnormal plasma cells to begin with or are getting therapy that might suppress or damage plasma cells, you can see why that this group of patients may have the most difficulty responding to a COVID infection and responding to vaccines,” he said. “If there is any group of patients who should be vaccinated and get a booster, it is this group of patients.”

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ABC News

Why COVID boosters weren't tweaked to better match variants

John Wherry of the Perelman School of Medicine said there’s no guarantee that a booster shot retooled to target the delta variant would work better than a general COVID-19 vaccine booster.

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The New York Times

Data from federal scientists raise questions about J.&J. booster shots

Scott Hensley of the Perelman School of Medicine is quoted on which vaccines should offer an mRNA booster and how much data the F.D.A. needs before making that recommendation.

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