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'Nearly Meaningless'

John Hawks builds on the recent discussion of whether, in the future, politicians should have to release their genetic information to the public for scrutiny. At this point, he says that the risks conveyed by genetic information are "nearly meaningless" at the individual level. "We simply don't have a way to predict a person's lifetime risk of chronic disease, based on the entire genome. A person who has one known risk allele may have any number of unknown protective alleles," writes Hawks.

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.