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Increasing exposure to short-acting beta 2 agonist rescue or reliever medication appeared associated with greater risk for severe asthma exacerbations regardless of inhaled corticosteroid use, according to study results. Published in The Journal of Allergy and Clinical Immunology: In Practice, the study results suggest that rescue/reliever management using short-acting beta 2 agonist (SABA)
Breathlessness after COVID-19 infection may be due to persistent immune response in the lungs, say researchers who suggest treatments to dampen down this response may be beneficial.