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Lake County Board hears IDPH warning: flu activity very high, new H3N2 subclade circulating

Lake County Board · January 13, 2026

Summary

At the Jan. 13 meeting, the Board's health report cited Illinois Department of Public Health data showing very high influenza activity, a new H3N2 subclade, and urged vaccination and precautions, especially for young children and at-risk residents.

At its Jan. 13 meeting, the Lake County Board received a brief public‑health report that cited Illinois Department of Public Health updates showing very high influenza activity as of Jan. 2, moderate COVID‑19 activity and low but increasing RSV.

"A new flu strain, H 3 N 2 subclide K, is causing concern," Member Park said. Park emphasized that while this season's vaccine did not specifically target the new subclade, vaccination remains effective at preventing hospitalizations, particularly among young children. Park urged standard prevention measures — vaccination, covering coughs, handwashing and staying home when sick — and said people at high risk might consider masking and should consult the IDPH vaccine locator or their health-care provider.

The Board did not take action on the report; it was presented for awareness.

Provenance: topicintro: SEG 511; topfinish: SEG 532

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