US hospitals seeing different kind of COVID surge this time

Hospitals across the U.S. are feeling the wrath of the omicron variant and getting thrown into disarray that is different from earlier COVID-19 surges.

This time, they are dealing with serious staff shortages because so many health care workers are getting sick with the fast-spreading variant. People are showing up at emergency rooms in large numbers in hopes of getting tested for COVID-19, putting more strain on the system. And a surprising share of patients — two-thirds in some places — are testing positive while in the hospital for other reasons.

At the same...