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The Sicilian Gene Pool

The effects of Greek and North African people on the Sicilian gene pool can be seen by analyzing Y chromosomes, report Italian researchers in the European Journal of Human Genetics. By looking at haplogroups and short tandem repeats in Y-chromosome lineages from different areas of Sicily, the researchers estimate that the Greek contribution to the Sicilian gene pool is about 37 percent and the North African contribution is about six percent.

 

The Scan

Tens of Millions Saved

The Associated Press writes that vaccines against COVID-19 saved an estimated 20 million lives in their first year.

Supersized Bacterium

NPR reports that researchers have found and characterized a bacterium that is visible to the naked eye.

Also Subvariants

Moderna says its bivalent SARS-CoV-2 vaccine leads to a strong immune response against Omicron subvariants, the Wall Street Journal reports.

Science Papers Present Gene-Edited Mouse Models of Liver Cancer, Hürthle Cell Carcinoma Analysis

In Science this week: a collection of mouse models of primary liver cancer, and more.