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Alaska’s largest hospital has implemented crisis standards of care, prioritizing limited resources as a surge in coronavirus cases driven by the highly contagious delta variant has strained health workers.

Alaska is sixth in the nation for average daily new cases per capita, and one of several with hospitals near or at their breaking points. Last week, Idaho announced it would start rationing medical care at hospitals in the northern part of the state. Meanwhile, intensive care units in hospitals in Southern states have faced a crush of unvaccinated patients.

The pandemic hit another grim milestone: 1 in 500 Americans has died of covid-19.

Here’s what to know