Asthma May Not Boost Odds Of Severe Covid-19 May 2026

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The story isn't the same for everyone. While asthma in general may not boost the odds of severe outcomes, remains a concern. A large-scale Swedish study published in February 2026 found that patients with very poor symptom control or frequent flare-ups still faced a higher risk of hospitalization if they contracted the virus. Asthma May Not Boost Odds of Severe COVID-19

: People with asthma often have higher counts of eosinophils , a type of white blood cell. Research suggests these cells may help degrade viral RNA and boost the immune defense specifically against this virus. This is for informational purposes only

However, as years of data have poured in, a surprising and reassuring story has emerged. Recent studies, including a major scoping review published in , indicate that asthma is not an independent risk factor for severe COVID-19 illness. The Protective Paradox Learn more The story isn't the same for everyone

In the early days of the pandemic, fear was the constant companion for those with respiratory conditions. For individuals with asthma, the logic seemed simple and terrifying: a virus that attacks the lungs would surely be devastating for those whose lungs were already compromised.

: The SARS-CoV-2 virus enters cells via a receptor called ACE2 . In many people with allergic asthma, the expression of this receptor is naturally lower, giving the virus fewer "doors" to enter through.

Scientists have discovered several biological reasons why asthma might actually offer a strange kind of protection: