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Didn't We Learn from the Hot Dog? Sometimes It's Better Not to Know What's Inside

"Modern humans are bacteria-killing machines."

So begins this article from Wired News, which goes on to point out that we're also bacteria-growing machines. More and more scientists contend that we need to figure out what bacteria do for us, and what the natural state of our gut flora looks like so that medicine can treat actual problems rather than eradicating helpful bacteria.

 

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.