Flu activity remains high in most regions of the U.S. as a winter wave of respiratory illness sweeps across the country. The post-holiday surge in flu cases and hospitalizations is straining many hospitals, leading to overflowing emergency rooms and prompting some facilities to limit patient visitors.

This trend is expected to continue for the several more weeks, the U.S. Centers for Disease Control and Prevention said in its latest FluView weekly surveillance report for the week ending Jan. 11.

Trump administration directs federal health agencies to pause communications | CNN Amid a deluge of executive actions, the Trump administration has asked federal health agencies to pause external communications, such as regular scientific reports, updates to websites and health advisories, according to sources within the agencies. Brenda Goodman, Meg Tirrell CNN

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US flu activity still high, with 11 new deaths in kids "Although some indicators have decreased or remained stable this week compared to last, this could be due to changes in healthcare seeking behavior or reporting during the holidays rather than an indication that influenza activity has peaked," the CDC said. "The country is still experiencing elevated influenza activity, and that is expected to continue for several more weeks." CIDRAP

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What to know about 'quad-demic' of COVID, flu, RSV and norovirus in US The U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is what you need to know. ABC News ABC News

Four viruses are currently circulating in the United States, which some have referred to as a "quad-demic."