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Canadian toxicologists have published a study in PNAS linking exposure to particulate air pollution to increased mutation and methylation in the DNA of mice sperm cells. They found that mice breathing ambient air next to steel mills and a major highway had increased frequencuy of mutation and increased methylation in sperm DNA as compared to mice breathing filtered air.

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The Washington Post reports that Herbert Tabor, who worked at the US National Institutes of Health for 77 years, has died at 101.

The World Bank is seeking approval for a $12 billion plan to provide low-income nations with funds to procure SARS-CoV-2 vaccines, according to Reuters.

Science writes that public health officials and others are debating whether cycle threshold values should be included on SARS-CoV-2 results.

In Nucleic Acids Research this week: online database of SARS-CoV-2 protein structures, atlas of the human brain, and more.