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On Stage and in Song

As part of his 2012 TedMed talk, the US National Institutes of Health Director Francis Collins says that the time between understanding the molecular cause of a disease and developing a drug to treat that disease is too long, and the process is too expensive. Collins further suggests that drugs that have been shown to be safe in humans — though not effective for their original target diseases — could be repurposed for other diseases, as the new National Center for Advancing Translational Sciences is aiming to do.

Collins also joined singer Jill Sobule on the stage.

The Scan

Two J&J Doses

Johnson & Johnson says two doses of its SARS-CoV-2 vaccine provides increased protection against symptomatic COVID-19, CNN reports.

Pfizer-BioNTech Vaccine Response in Kids

The Pfizer-BioNTech SARS-CoV-2 vaccine in a lower-dose format appears to generate an immune response among children, according to the Washington Post.

Chicken Changes to Prevent Disease

The Guardian writes that researchers are looking at gene editing chickens to help prevent future pandemics.

PNAS Papers on Siberian Dog Ancestry, Insect Reproduction, Hippocampal Neurogenesis

In PNAS this week: ancestry and admixture among Siberian dogs, hormone role in fruit fly reproduction, and more.