Asthma May Not Boost Odds Of Severe Covid-19 ✦ Trusted

: Daily maintenance with inhaled corticosteroids (ICS) —the standard treatment for asthma—may reduce the body's inflammatory response to the virus, potentially preventing the "cytokine storms" that lead to severe illness. A Note of Caution: Control is Key

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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. AI responses may include mistakes

: 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. : People with asthma often have higher counts

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

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.