Diseases, Conditions, Syndromes

US stores put limits on at-home COVID test buys due to high demand

The resumption of holiday travel coupled with the rapidly spreading Omicron variant left Americans scrambling Wednesday to find at-home COVID tests, leading multiple major distributors to limit the number of kits per customer.

Health informatics

Supermarket model to guide safer shopping amid pandemic

A Skoltech team has developed a model for assessing infection risks for supermarket customers. The researchers believe that their model will help formulate scientifically backed rules for safe shopping during the pandemic. ...

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