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Out of the Mouths of Babes

This month’s issue of the Journal of Clinical Microbiology contains results of a study to check out microbial communities found in the mouths of cavity-prone kids and their dentally immaculate peers. Yihong Hi and colleagues looked at total microbial genomic DNA using DGGE, rather than typical cultivation methods that aren't effective for bacteria found in saliva and dental plaque. Check out the report to learn more about the molecular profiles that typify cavity-associated bacterial populations in kids.


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.