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New 'Super Flu' Hits US: Fever Lasts a Week
10 Jan
Summary
- A new influenza A H3N2 variant, 'subclade K,' is causing severe illness.
- Fevers can last up to seven days and resist common treatments.
- Nine children have died, with cases surging nationwide.
A concerning new variant of influenza, identified as subclade K of H3N2, is currently surging across the United States, leading to severe illness and high fever durations of up to seven days. This highly contagious strain has resulted in 'very high' illness levels in 32 states, with flu tests showing a significant increase.
Doctors are alarmed by the intensity of symptoms, including fevers that can persist for a week and may not respond to common fever reducers. Tragically, nine children have succumbed to the flu this season, experiencing severe respiratory distress. Experts anticipate the current spike will continue due to holiday travel and indoor gatherings, potentially worsening as students return to school.
While the current flu vaccine may not offer complete protection against this specific variant, health officials emphasize that vaccination can still mitigate illness severity and reduce hospitalizations. The CDC urges vaccination as the most effective preventive measure, noting that individuals who are unvaccinated are more likely to experience severe outcomes. Reinfection is also possible, making vaccination crucial throughout the flu season.
