
US respiratory virus activity reaches high levels as flu, RSV spread
Respiratory virus activity across the United States has climbed to high levels, driven by increases in influenza and respiratory syncytial virus (RSV) activity
“With COVID-19 spreading, Charlotte-area leaders were desperate for ways to limit the risk of the virus. Armed with federal dollars to help, area school districts and the City of Charlotte spent a combined $7 million on air purification technology created by a local company.
But some experts, citing a lack of widespread research, believe that technology needs more study.
Research commissioned by Global Plasma Solutions (GPS) shows the company’s needlepoint bipolar ionization (NPBI) products are effective in reducing SARS-CoV-2, the virus that can lead to COVID-19. But some air quality experts told WCNC Charlotte that’s not enough to convince them …”
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Respiratory virus activity across the United States has climbed to high levels, driven by increases in influenza and respiratory syncytial virus (RSV) activity

Weekly US Influenza Surveillance Report: Key Updates for Week 52, ending December 27, 2025. Key points
Seasonal influenza activity is elevated and continues to increase across the country.

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