This is for informational purposes only. For medical advice or diagnosis, consult a professional. AI responses may include mistakes. Learn more
: 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. Asthma May Not Boost Odds of Severe COVID-19
: 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 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 SARS-CoV-2 virus enters cells