Flu Severity Can Worsen Within 24 Hours, Hong Kong Expert Warns
Crhk · 2 SOURCESabout 16 hours ago2 MIN
Summary
A seven-year-old boy infected with influenza A H3 became Hong Kong's first pediatric flu death this year, prompting urgent warnings from medical experts . Dr. Kwan Yat-wa, president of the Asia Pacific Pediatric Infectious Diseases Society, cautioned that H3 flu cases are deteriorating faster than before, with some patients becoming critically ill within just one day . He emphasized that persistent high fever and altered mental status in children require immediate medical attention, as these may signal the onset of a life-threatening cytokine storm .
Key Points
- Hong Kong's first child flu death this year involved a 7-year-old boy infected with influenza A H3 virus .
- Dr. Kwan Yat-wa warns H3 flu deterioration can occur within 24 hours, causing organ inflammation and blood pressure drops .
- Cytokine storm may develop when immune systems overreact, attacking the heart, liver, or brain .
- Vaccinated patients may still suffer severe illness due to waning antibody levels or undiagnosed congenital immune disorders .
- Recent monitoring shows H3 and H1 influenza A strains each comprise 45% of positive cases, with 10% being influenza B .
Why It Matters
The rapid deterioration of H3 flu cases poses significant challenges for Hong Kong's pediatric healthcare system, requiring parents and clinicians to recognize warning signs early . With rising hospitalizations among children for flu, COVID-19, and RSV, timely vaccination and heightened vigilance remain critical defenses against preventable severe outcomes .
The rapid deterioration of H3 flu cases poses significant challenges for Hong Kong's pediatric healthcare system, requiring parents and clinicians to recognize warning signs early . With rising hospitalizations among children for flu, COVID-19, and RSV, timely vaccination and heightened vigilance remain critical defenses against preventable severe outcomes .