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Read the Instructions Before Swabbing

An article in Forbes talks about the growing number of home health tests that probe a wider variety of conditions, and in much more depth. From cholesterol levels to allergies, the FDA-approved home health industry is huge, with blood glucose monitoring worth $5.5 billion in 2005. Though accessible and affordable, they might not be all that reliable, so read the instructions first.

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.